Avaya T3 Comfort, Service Manual

Page 1: ...Copyright 1 Service Manual T3 IP Telephones Connected to IP Office Supplement to Service Manual T3 Telephones Connected to IP Office SHB_T3IP_IPO3 2_060428_en doc ...

Page 2: ...n part require the prior written consent of Avaya GmbH Co KG All of the technical data information and properties of the product described in this document have been compiled to the best of available knowledge at the time of going to press The product may be modified or improved in the light of technical developments Avaya Kleyerstrasse 94 60326 Frankfurt am Main Germany ...

Page 3: ...ssful operation of the telephones in LAN or Intranet environments in which no Avaya telecommunications system is present When using links and DSS modules This link DSS module is designed for the connection to T3 IP telephones and complies with the basic requirements as per EU guideline 1999 5 radio and telecommunication terminal equipment R TTE This link DSS module was designed only for use with T...

Page 4: ...rom IP Office 3 2 and higher 23 AEI Headset link 24 View of the AEI Headset link 24 Headset Interface pin allocation 25 Connection options 25 Download 25 Headset link 26 The headset interface of the headset link 26 Using a headset 28 Menu structure with headset logged in 28 Download 28 Installation of the links 29 Safety information for link installation 29 Technical data 30 T3 IP links 30 T3 IP C...

Page 5: ...51 Structure of the configuration file 51 1 Download with a Revisor laptop 54 2 Remote download 54 3 Download via boot list 54 Carry out download 55 Web terminal 56 Releasing and blocking 56 Accessing Web terminal 56 Log Off 61 Sending data to the IP telephone 61 Available IP functions 62 IP Phone Admin 64 Software update with the IP Phone Admin tool 64 Features 66 Changing the telephone 67 Extend...

Page 6: ...e processes necessary to commission the IP telephone for operation in a data network When in operation the IP telephone has the same functionality as a T3 ISDN telephone connected to IP Office Configurations except via the IP telephone menus can be carried out via the Web terminal the IP Phone Admin tool or the IP Office manager ...

Page 7: ...is used to establish the connection between the end systems IP telephone IP Office Information regarding the transmitting and receiving station is included in the message packets The data packages are addressed in this layer The IP protocol TCP IP applies here This layer is also responsible for routing in complex networks in other words establishing the route for getting the data packages through ...

Page 8: ...load user data It is noted in the IP header that the TCP protocol is to be used The data packet is now securely sent to the recipient Security is of the essence when configuration information is being transmitted The voice information is also packaged into a data packet It is noted in the IP header that the UDP protocol is to be used The data packet is now sent to the recipient quickly and unsecur...

Page 9: ...4 kBit s 1 ms As for G 711A except a US process for audio digitisation G 729 8 kBit s 25 ms Best voice quality of the compressing process Bandwidth Data flow depends on the Codec and the configured delay Voice data are not transferred via the packet oriented TCP IP protocol on a continuous basis The Codec compiles the voice data into a packet during a specific period of time 10ms for the IP teleph...

Page 10: ...ever This variation is known as inter arrival time or jitter Jitter buffer Using the management data contained in the RTP header the jitter buffer corrects the time interval between received packets corrects the sequence of received packets detects packets received twice initiates algorithms in the event of packet loss The packet loss rate in any given time interval should be lower than 1 This req...

Page 11: ...ield in the IP header of the RTP voice packets This makes prioritisation possible There are 7 bits to be set in the TOS field bit 0 to bit 6 Bits 0 to 5 represent the 6 DIffServ bits Bits 3 to 6 represent the TOS parameters bits Bit 7 of the TOS field cannot be set since it is not used by DiffServ or as a TOS parameters bit Gateway A gateway is a node in the LAN that communicates with terminals in...

Page 12: ... associated equipment no gateway address is required Only the gatekeeper address of the IP Office must be noted in the IP telephone Example 16 subscribers Network IP Office IP address 10 19 8 74 Gatekeeper IP phone 14 15 IP phone IP address Tln 16 10 19 8 99 IP address gateway none IP address gatekeeper 10 19 8 74 IP phone 16 ...

Page 13: ...ddress from the DHCP server and forward it to the IP telephone IP telephone 14 must have entered the gateway address of its network Network Building B IP telephone 14 must have entered the gatekeeper address of its IP Office IP Office located in Network Building A IP telephones 11 12 13 in Building A The following must be noted IP telephones 11 12 13 can be logged in via DHCP if the DHCP server on...

Page 14: ...ress gateway 10 10 8 88 IP address Tln 13 10 10 8 98 IP address gatekeeper 10 10 8 74 IP phone IP address gateway 10 10 8 88 13 IP address Tln 12 10 10 8 97 IP address gatekeeper 10 10 8 74 IP phone IP address gateway 10 10 8 88 12 IP address Tln 11 10 10 8 96 IP address gatekeeper 10 10 8 74 IP phone IP address gateway 10 10 8 88 11 IP Office IP address gatekeeper 10 10 8 74 IP address gateway 10...

Page 15: ...pers in an IP network ensure that the associated address is entered in the default gatekeeper entry of the IP telephone The entire telephone data traffic via the gatekeeper central media streaming occurs at the IP Office 3 2 A direct data connection between two IP telephones decentral media streaming to provide relief for the gatekeeper is not supported ...

Page 16: ...irect connection of a headset below sockets 5 and 7 A link connecting socket is not available 1 Cable routing 5 PC 2 Connector socket for power supply 6 Socket for connection of links not T3 IP Compact 3 Handset connecting socket 7 Network connection 4 Microphone opening 8 Display 8 2 1 4 5 6 7 3 ...

Page 17: ...cted to the mains unit socket Note The plug in mains unit is not supplied with the IP telephone and has to be ordered separately Only use the plug in power supply unit with reference number 4 999 086 800 The handset is attached via in the handset socket Information about connecting Links can be found in Chapter AEI Headset Link T3 IP phone lower side Socket for connecting a link Plug in mains unit...

Page 18: ... HK HK 4 pin Western jack 1 SK Speech circuit 2 HK Listening circuit 3 HK Listening circuit 4 SK Speech circuit Make sure the polarity is correct Plug in mains unit interface 40V DC ma 150 mA Reference number 4 999 086 800 Supplies the power to the handset and possibly also one link module 7 GND 8 40 V 8 7 6 5 4 3 2 1 40V GND 8 pin Western jack Do not insert the Western jack of the plug in mains u...

Page 19: ...k if one is present If you are using a switch or another power supply component in your network which supports Power over LAN the power supply unit is not required 8 7 6 5 4 3 2 1 40V GND 40 V DC max 150 mA Reference number 4 999 086 800 Supplies telephone and possibly 1 link 7 GND 8 40 V b Remote Power over LAN PoL The telephone is supplied with power via two unused wires of the LAN cable this is...

Page 20: ...ignal wires in the LAN cable This is also possible with 2 pair cables Max range 100 m with Cat 5 cable 26 AWG same as transmission range acc to IEEE802 3u Detection and power supply in accordance with current standard 802 3a f endspan solution 1 TD Transmit Data 2 TD Transmit Data 3 RD Receive Data 6 RD Receive Data Phantom power supply 1 and 2 48 V DC 35 57 V 3 and 6 GND 8 7 6 5 4 3 2 1 TD TD RD ...

Page 21: ...supply component to detect how much power each IP telephone requires The classes are defined as follows Class 0 undefined max 15 4 W per port Class 1 up to 4 W per port Class 2 up to 7 W per port Class 3 up to 15 4 W per port The telephones T3 IP Classic and T3 IP Comfort are allocated to power class 2 and the IP Compact to power class 1 ...

Page 22: ...ou know what is happening and may also notify you about errors Message text Meaning Tenovis 8300U boot B00 xx Start message with version information of the Boot Loader hardware level II DHCP DHCP procedure has been started Booting from flash T0xx_0DE xxi Downloading an image from flash memory Download activated T0xx_0DE xxi Downloading image from the FTP server ...

Page 23: ...inks from IP Office 3 2 and higher Links can be connected to T3 IP Classic and T3 IP Comfort The T3 IP Compact does not have a link interface But it does have a headset socket It is possible to connect the same headsets there as at the links ...

Page 24: ...t XTEin XGND YTEin YGND YTEout 6 5 4 3 2 1 AEI interface 6 pin Western jack 1 XTEout Audio Output Telephone 2 XTEin Audio Input Telephone 3 XGndD Audio Ground 4 YTEin Digital Input Telephone 5 YGndD Digital Ground 6 YTEout Digital Output Telephone AEI Headset link 25 Headset 4 T3 IP telephone lower side AEI 6 ...

Page 25: ...Connection options DSS modules can be connected to the AEI socket These use the Y interface Further additional devices cannot be connected The X interface is not supported The headsets HSG 21 24 from Plantronics can be connected to the headset socket Download Since the AEI headset link does not contain any software no download is necessary ...

Page 26: ...4 from Plantronics The setting options for a headset via the headset link are summarised in a menu Front and rear view of the headset link 25 Headset link Headset 4 The headset link has one interface the headset interface The headset interface of the headset link Headset jack 1 HK 2 MIC 3 MIC 4 HK 4 1 2 3 4 ...

Page 27: ... telephone Link Headset 4 999 077 349 Only the headsets HSG 21 22 23 and 24 should be connected Connection to the headset socket of the headset link is only possible via a spiral cable WE4 on QD Quick Disconnect reference number 4 999 077 349 The cable is supplied with the HSG module 2 and can be used if required ...

Page 28: ...nd in the T3 IP Compact have the same functions Menu structure with headset logged in If a headset link is connected the menu item Headset is displayed in the Main menu This depends on whether a headset has been connected or not After selecting this menu item via the OK key the display changes to the menu Settings Display Acoustics Acoustics Contrast Here you will find the new menu items Headset o...

Page 29: ...fety information for link installation When a link is inserted the IP telephone must be completely isolated from the power supply 1 Unplug all existing connecting cables power supply LAN connecting cable 2 Insert Link and if needed connect auxiliary equipment e g DSS module 3 Connect the power supply units 4 Plug the connecting cable into the T3 IP telephone ...

Page 30: ...rox 0 1 W via headset interface Approx 0 1 W Power supply Via T3 IP telephone Connection hardware for links D Sub 25 pin Analogue interface Plantronics headset Plantronics headset Digital interface AEI Y Connection system AEI 6 pin Western Electric connector Plantronics headset 4 pin Western Electric connector Plantronics headset 4 pin Western Electric connector Width 62 mm Depth 143 mm Height 42 ...

Page 31: ...ble LAN cable twisted 4 pair Cat 5 length 3 m accessory pack Connection system Western Electric plug connector RJ 45 on both sides shielded D channel protocol TN1R6 tunnelling Audio frequency range 300 Hz to 3400 Hz Interfaces for links 1 Connection hardware for links D Sub 25 pin Line interfaces 2 Ethernet 10 Base T or 100 Base Tx to IEEE 802 3 built in switch Range 100 m with 100 Base Tx with Ca...

Page 32: ...g cable LAN cable twisted 4 pair Cat 5 length 3 m accessory pack Connection system Western Electric plug connector RJ 45 on both sides shielded D channel protocol TN1R6 tunnelling Audio frequency range 300 Hz to 3400 Hz Interfaces for links 1 Connection hardware for links D Sub 25 pin Line interfaces 2 Ethernet 10 Base T or 100 Base Tx to IEEE 802 3 built in switch Range 100 m with 100 Base Tx wit...

Page 33: ...ccessory pack Connection system Western Electric plug connector RJ 45 on both sides shielded D channel protocol TN1R6 tunnelling Audio frequency range 300 Hz to 3400 Hz Interfaces for links none Connection hardware for headset 8 pin WE for headset HSG 21 23 Line interfaces 2 Ethernet 10 Base T or 100 Base Tx to IEEE 802 3 built in switch Range 100 m with 100 Base Tx with Cat 5 cable with 4 connect...

Page 34: ...eration with other telephones T3 IP telephones can be combined with any other Avaya T3 ISDN telephones T3 Comfort T3 Classic and T3 Compact depending on the capacity limits of the IP Office Combinations with other Avaya telephones are not permissible ...

Page 35: ...ccessible via a PIN number from the user menu User menu Gatekeeper list Gatekeeper 1 to 9 Mirror of entries in the Audit menu Cannot be changed Network settings IP address Subnet Gateway Def Gatekeeper Gatekeeper MAC address Shows a list of the network settings entered in the Audit menu Cannot be changed Safety Web browser free blocked Do not change If the phone is set to free Web browser can be v...

Page 36: ...inal via the Bootline menu item without having to log out your telephone first Delete registration of the telephone in the IP Office 1 Option 1 Unplug the power supply of the IP telephone mains plug or for Power over LAN the LAN plug 2 Press and hold the star key 3 Reconnect the telephone via the mains or LAN plug 4 Release the star key when the idle display appears 2 Option 1 Press the menu key i...

Page 37: ...cal size of the jitter buffer Do not change Audio Codec priority list Prio1 Prio 3 G 711A G 711µ Codec G 729A 10ms Delay 60ms Priority 1 must be set on G 711 Codec Delete priority TOS DiffServ parameters Bit 0 off Bit 1 off Bit 2 off Bit 3 on Bit 4 off Bit 5 off See General explanations and IP audio settings Bit 6 off Gatekeeper list Create new entry max 1 9 Name Company 1 IP address 10 19 9 66 Sa...

Page 38: ...es Deletion takes place without any further security prompts Gatekeeper list Web browser reset default Web browser blocked Telephone ID Hardware type Reference no Boot Loader Software Date loaded Protocol BZT approval Serial number MAC address Supplier Service class Extras Colour Memory Languages Service Hardware revision 1st Installation Server port numbers CTI HTTP RAS registration RTP RTCP RTCP...

Page 39: ...any further security prompts Software reset Software reset takes place without any further security prompts DSP reset A DSP reset takes place without any further security prompts Blocked features list CTI application free blocked Do not change Web browser free blocked Do not change SNMP free blocked No change Note The call processing status of the IP telephone is unknown in the Web terminal Stimul...

Page 40: ...server etc can be reached from the telephone You can also enter an IP address manually Enter all 12 digits of the IP address with zeros Menu local menu for logged out telephone Menu Send ping Network components Menu local menu for logged out telephone Menu Send ping IP addr When you confirm your selection an information message will inform you whether the selected network component was reached ...

Page 41: ...parate line The values from the reports are shown in hexadecimal form The individual data are separated by semicolons in the file Version Logging version Time stamp Time stamp DD MM YYYY SS Direction Received sent RTCP report RX TX Report type Packet type type of report according to RFC 1889 SSRC source Synchronisation source identifier of the sender NTP time sec Sender information NTP time frac N...

Page 42: ...rded if at least three RTCP reports have been sent A date and time are entered in the timestamp field of the RTCP trace These are reset to 01 01 70 00 00 00 every time the terminal is reset The call number of the subscriber is not shown in the RTCP journal The IP address of the IP Office is specified in the name field The FTP server parameters can be configured and switched in the phone The calcul...

Page 43: ...ault DHCP client 8 CTI 32000 HTTP TCP port 80 RAS registration 5050 RTP 1722 SNMP UDP port 161 RTCP 1723 Maintenance server 35000 Settable port numbers It is possible to configure the port numbers using the user interface Audit menu in functional mode the Web terminal the Admin tool IP Phone Admin The ports of the following servers can be configured CTI HTTP RAS RTP ...

Page 44: ... frames IEEE 802 1p to the LAN and PC port The integrated switch is part of the controller chip being used It is not possible to reset the IP telephone and switch separately Inter switch protocols such as CISCO s proprietary protocol are not supported To ensure that the VLAN settings in the IP telephone network are functioning all the connected network components have to support VLAN functionality...

Page 45: ...menu Network settings Subnet The IP and subnet address have to correspond to the network settings of the IP Office The IP address should not appear twice in the entire network If necessary you have adjust the IP audio settings in the Audit menu Log in user Once the IP settings have been carried out a new user can be logged in User menu User administration Log in new user PIN The call number and th...

Page 46: ...e switched off Settings in the manager The manager should have a fixed IP address The DHCP server has to be deactivated Settings at the IP telephone In the IP telephone usage of the DHCP server has to be activated in the Audit menu Audit menu Use DHCP server If you have set this setting to On the IP telephone carries out an automatic reset Depending on the DHCP statements a new software is loaded ...

Page 47: ...d how to determine the jitter buffer depending on these points IP audio settings Jitter buffer short normal long auto Action Do not change Audio Codec priority list Prio1 Prio n Codec G 711A G 711 µ Action G 729 Delay Action 10 60 ms Delete priority TOS DiffServ parameters Bit 0 off Bit 1 off Bit 2 off Bit 3 on Bit 4 off Bit 5 off Bit 6 off Before useful communication the IP telephone and IP Offic...

Page 48: ...phone If you wish to cancel the connection to the gatekeeper IP Office you have to delete the registration Log out user from the telephone Menu Logout Log in user Menu Login A PIN is required for the login You can occupy each external telephone which is registered via a login Hot Desking The previous user is then automatically logged out Your login at another telephone is also deleted When you log...

Page 49: ... The option is especially used by the Avaya helpdesk if company network dial in is permitted 3 Manually direct from the IP telephone by boot list Prerequisites Tools The following conditions have to be fulfilled for a SW update An FTP server has to be working in the IP telephone network There has to be a A special configuration file and b The new software On the Revisor laptop a The IP Phone Admin...

Page 50: ...ork It can run on the Revisor laptop or another PC in the IP telephone network The IP address does not have to be made known to the IP telephone if you are using the IP Phone Admin tool In other cases the address always has to be made known to the IP telephone The setup and operation of an FTP server is not part of this document ...

Page 51: ... th row 4 9 th row 10 th row 5 11 th row 12 th row 6 13 th row 14 th row 7 15 th row 16 th row 8 17 th row 18 th row 9 19 th row 20 th row D 21 st row 22 nd row E F A U L T T 2 0 1 _ 0 D E s 4 i T 2 0 2 _ 0 D E s 4 i 7 8 9 4 5 6 8 5 5 1 2 3 1 3 4 5 6 7 8 9 10 11 12 13 14 2 Column 15 16 17 18 19 20 21 22 ASCIIConfiguration file max 1024 Byte ipphone_config txt 0 Key 0 file name Length Byte Key 1 fi...

Page 52: ... the file to be loaded Row 2 Length of the file in bytes Both rows are allocated a certain number key The first name row generally begins with 0 blank The second name row generally begins with 1 blank 0 1 are the allocated number keys Rows 21 to 22 Row 1 Filename of the file to be loaded Row 2 Length of the file in bytes A default file is entered in rows 21 to 22 Row 21 must begin with DEFAULT bla...

Page 53: ... T3 Compact 1st position x the telephone automatically loads the matching type specific software This setting is especially practical since the same configuration file can be used for various telephones 2nd position 1 H 323 2nd position 2 SIP 2ndposition 3 Tunnelphone functional 2ndposition 4 Tunnelphone stimulus 2nd position reserved for other protocols 3rd position i software for IP telephones I...

Page 54: ... 1 Download via a Revisor laptop 3 Download via boot list Upon delivery the IP telephone has the settings shown on the left hand side of the table The settings of the FTP server right hand side have to correspond to these settings The boot list has to be switched on in the Audit menu or via the Web terminal IP telephones FTP server e g on the Revisor laptop IP phone factory settings Own IP address...

Page 55: ...must be set to on again Commissioning with emergency download of the software If the software stored in Flash is damaged and the IP telephone can no longer be operated a software download with default parameters can be activated In this case the download is started as described above but by pressing and holding the Clear key instead of a number or key The procedure is as follows The IP telephone l...

Page 56: ...ality in the Security menu Blocking and releasing the Web browser does not affect the blocked features list In other words blocking an entry in the Security User menu does not block the entry in the blocked features list Resetting does not block the Web browser You can view the status of the Web browser after loading new software under Security If it is not visible it is possible that the entry wa...

Page 57: ...B00 06 E g Call number 51 Display of when connection established MAC address Software version Boot Loader version Call number DSP versions Bootline Status e g Data unchanged Registration Admission Status e g Data unchanged IP Audio settings Status e g Data unchanged VLAN settings Status e g Data unchanged Telephone ID Status e g Data unchanged Server port number configuration Status e g Data uncha...

Page 58: ...oaded from the directory Default Not activated Telephone name E g Tenovis_IPT IP address Audit menu Network settings E g 10 19 8 99 Subnet mask Audit menu Network settings E g 255 255 0 0 Gateway IP address optional Audit menu Network settings 0 0 0 0 FTP server IP address E g 10 19 8 109 FTP user name E g ipphone FTP password E g Alabama Boot file name Boot Download area of the IP telephone E g I...

Page 59: ...y ms G 711A 10 G 711µ 20 G 729A 30 none 40 50 60 Priority 2 Audit menu IP audio settings Audio Codec priority list Codec Delay ms G 711A 10 G 711µ 20 G 729A 30 none 40 50 60 Priority 3 Audit menu IP audio settings Audio Codec priority list Codec Delay ms G 711A 10 G 711µ 20 G 729A 30 none 40 50 60 TOS DiffServ parameters Bit 0 off Bit 1 off Bit 2 off Bit 3 on Bit 4 off Bit 5 off Bit 6 off Accept L...

Page 60: ...terminal Last settings Selection The original data is applied Tenovis Web terminal Telephone ID Display of data as in the Audit menu Tenovis Web terminal Server port numbers HTTP E g 80 RTP E g 1722 RAS registration E g 5050 CTI E g 32000 Accept Last settings Selection Tenovis Web terminal RTCP settings RTCP on Save on FTP server Save the RTCP data FTP server IP address E g 0 0 0 0 User name E g P...

Page 61: ...erminal for 5 minutes you will receive a message that the Web terminal will automatically shut down after one minute Each entry resets both timers Sending data to the IP telephone Data entered into the Web terminal is sent to the IP telephone after actuating the Send data button in the Main menu The IP telephone accepts this data and carries out a subsequent reset Changed default data is reset to ...

Page 62: ...rs list r w Registration Admission Jitter buffer size r w Codec prio 1 3 r w Delay 1 3 r w IP Audio Settings DiffServ TOS Bits r w x LAN statistics statistical values of the Ethernet controller r x Serial number r w x Hardware version r w x Reference no r w x Additional device r w x Date loaded r w x Protocol r w x BZT approval r w x Supplier r w x Service class r w x Colour r w x Memory r w x Ser...

Page 63: ...riority r w x Show Configure VLAN port allocation r w x Duplex r w x VLAN LAN PC port configuration Bit rate r w x Display of DSP software version r DSP Display of DSP parameter set version r DSP API version r Module Parameter version module r FTP server IP address r w x User name r w x Password r w x Default file name r w x RTCP on r w x RTCP settings Save on FTP server r w x RTCP journal Journal...

Page 64: ...ates the telephone software The tool requests the address of the FTP server and the access data Once the telephone has obtained the update trigger the software is loaded after a short delay Once the FTP server parameters have been entered a list of the configuration files found on the FTP server is displayed User confirmed software update This updates the IP telephone software manually The tool re...

Page 65: ...reset Remedy Internal problem with telephone start Boot Loader update procedure again Short flash 200 ms off 50 ms on Cause Something wrong with the Boot Loader file Effect Updating has not taken place old Boot Loader remains in the IP telephone telephone will work after a reset Remedy Check the Boot Loader file it might not be the right one for the hardware Interrupted rapid flashing 500 ms rapid...

Page 66: ...nes x DSP Reset x Definition of file extension for KuDa and TeBu files no Loading IP list from SQL database x Configuration of columns to be displayed x Selection of the FTP server type to be used X 1 Sorting of the displayed table x Automatic scheduled software update No No time available on the phone Automatic reset of several phones x Manual reset of individual phones x Display Editing of switc...

Page 67: ...tended Delete all entries The Delete all entries function can be configured to reset the Bootline to default values in addition to deleting customer data Unprinted keypad Alphabetic keypad The alphabetic keypad in T3 IP Comfort is unprinted However various templates which can be stuck onto the keypad are supplied with the telephone The desired key assignment can be set via the menu Settings Alphab...

Page 68: ...he NMS via the UDP connection The definitions of the MIB correspond to the SMI standard RFC 1155 MIB I and MIB II are defined in RFC 1156 and RFC 1213 The IP phone does not however support the MIB II standard Specific objects are defined in a private Tenovis MIB and made available These objects have read only access They are listed in the following table Limitations are due to chip hardware The SN...

Page 69: ...x Read VLAN assignment Nur HW T8300U x x x Read Connected not connected Current Operation status of the interface x x Read HardwareVersion Version of the hardware x Read SoftwareVersion Version number of the software x Read Boot LoaderVersion Version number of the Boot Loader x Read OrderNumber Order number of the terminal x Read TunnelLost The Number of lost tunnel connections after last reset x ...

Page 70: ...s to all features accessible via SNMP For this reason configuring parameters in the phone switch via SNMP is not supported The HP OpenView tool is used as a management console to test the functionality and compatibility of the IP telephone SNMP agent Releasing or blocking SNMP feature To block or release the feature open the Audit menu and select the Blocked features list menu item You can make th...

Page 71: ...col FTP File Transfer Protocol GND GrouND GK GateKeeper HK HörKreis HTTP Hypertext Transfer Protocol IP Internet Protocol ISA Industry Standard Architecture LAN Local Area Network Ltg Leitung MAC Medium Access Control NC Not Connected PPPoE Point to Point Protocol over Ethernet RD Receive Data Rufnr Rufnummer SK SprechKreis TCP Transmission Control Protocol TD Transmit Data UDP User Datagram Proto...

Page 72: ... 26 Hot Desking 48 How does the IP phone communicate with the IP Unit General 7 Interfaces 18 IP audio settings 47 IP Phone Admin 64 Features 66 Jitter 9 10 Jitter buffer 10 Keypad 67 Links 23 Media streaming 15 Menus 35 Menus of the IP telephone Audit menu 37 Menus of the IP telephone User menu 35 Mixed operation 34 Ping 40 Port 43 Power class 21 Power over LAN 19 Power supply 19 Revisor laptop 5...

Page 73: ...Index 73 Your notes ...