2N Net Mic Complete Manual Download

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2N TELEKOMUNIKACE a.s., www.2n.cz

Local Settings

Listening port

– is a local port of the

via which the

2N IP Audio Manager

given gateway is communicating with the counterparty.

Realm (Domain)

– define the domain over which this gateway is

communicating. The domain and port specified here are relevant for subsequent
call routing to the

. The Request–URI field including

2N IP Audio Manager

Realm (Domain) + port are checked for incoming INVITE messages. If the values
match the SIP GW setting, the packets are routed to the

2N IP Audio

. The INVITE messages are served too whose Request–URI values are

Manager

included in the

field.

Aliases

Via/Contact header

– define the contents of the Via and Contact headers. The

following options are available:

IP address

– fill in the unique PBX IP address.

FQDM

– the header includes the PBX Host Name, which can be filled on the

PBX IP interface.

NAT

– fill in the fixed public IP address and NAT port to which signalling

messages for the PBX should be sent by the counterparty. Packets are
routed to the PBX based on the set port routing IP address on the router.

STUN

– fill in the STUN server address and port to identify the current

address behind the NAT router.

Authorisation required

– activate authorisation request for incoming calls from

the counterparty. User login data are used for call authorisation. All logins are
always searched through.

Remote SIP Server Parameters

Connect to

– set the IP address or DNS name of the counterparty (operator or

another PBX) to which you want to connect the

via a

2N IP Audio Manager

trunk (where call and registration requests shall be routed). To use a port other
than 5060, specify the port behind the colon (192.168.122.43:5071).

Protocol

– specify whether UDP and/or TCP shall be used for transmission. If

you choose NAPTR (Name Authority PoinTeR), a query to the DNS is made first
and, depending on the reply, the proper transmission protocol is set. The

Use

parameter can be used with this setting and suitable DNS only.

DNS SRV
Register line

– enable registration with the counterparty and specify the

gateway registration number (Caller ID). No call setup requests can be resent to
an unregistered gateway.

Validity

– set the registration validity term. The resultant value can be defined

by the counterparty (if shorter).

Authorisation Data

Name

– user name for registration with the counterparty.

Password

– password for registration with the counterparty.

Trustful IP Addresses

The parameter helps secure the

against undesired call

2N IP Audio Manager

attempts via the given SIP gateway. Tick off this option to make the PBX process only
the requests coming from trustworthy IP addresses included in the list. Add, remove or
modify an IP address to/in the list using the buttons to the right of the IP address list
or the context menu retrieved in the IP address list with the right–hand mouse button.