M E D I A G A T E W A Y C O N T R O L P R O T O C O L ( M G C P ) C O N F I G U R A T I O N
V I A W E B
Rev H
138 of 244
Call agent address
Fill in the IP address of the Call Agent in this field
Or
Leave this field blank if you wish to obtain the Call
Agent address from a DNS server.
Call agent port
Enter the Call Agent port number in this field
Or
Leave this field blank if you wish to use the default
MGCP Call Agent port 2427.
VoIP gateway domain name
Enter the Domain name in this field
Or
Leave this field blank if the VoIP Gateway’s IP
address is to be used for the Domain Name.
Max. delay before RSIP
Maximum time in seconds allowed for the Restart In
Progress message to be sent to the Call agent.
Default = 600 seconds.
Max. disconnect delay before
RSIP
If field is not zero, MGCP RSIP will be sent when the
link on the Uplink port goes up after being down for a
period longer than
Max. disconnect delay before
RSIP.
By default the parameter is zero and and the
feature is disabled.
Allocated endpoints
Enter value of number of endpoints permitted to
register with the Call Agent
Support PacketCable NCS 1.0
Enable/disable Packet Cable NCS 1.0 support.
Support IETF MGCP 1.0 (RFC
2705)
Enable/disable MGCP 1.0 support.
Support message piggybacking
When this option is enabled, the Gateway is
permitted to send Piggyback messages (several
MGCP messages sent in one UDP frame) to the Call
agent.
2. Enter your settings and click
Save MGCP Settings
to effect the changes.
15.2
Out of Band (OOB) Signalling (Configuring RTP
Telephone Events)
RFC2833 describes a protocol for sending Telephony events (Receiver ON/OFF Hook, Ring
ON/OFF) and DTMF digits in RTP packets. This method is used as an alternative method for
the MGCP protocol signaling frames to solve a variety of signaling delays. The Payload value
is Payload Type field of the RTP frame. Payloads 0-95 are well defined and reserved values
by IANA. Payloads values of 96-127 are free (dynamic) and are not reserved by the
standards.
If the RFC2833 protocol for Telephony events is enabled, voice packets can be suppressed
during the transmission of the RFC2833 Telephone Event packets.
To configure RTP Telephone Event (RFC2833) parameters:
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