[cisco-voip] Conferencing

[Collins, Matthew]

Hi All,

Hope one of you can help out before I open a tac case.

Trying to set up a new branch site with a 2921 H323 SRST router with SCCP transcoding and Conferencing. Everything seems to be working ok with the exception of conferencing.

CUCM running is 6.1.5
2921 is running IOS Version 15.1(4)M3 with PVDM3-64
Conference bridge is set up as a Cisco IOS Enhanced Conference Bridge and is registered within CUCM

This should be compatible from table 5 2900 Interoperability with Cisco Unified Communications Manager<http://www.cisco.com/en/US/prod/collateral/routers/ps259/product_data_sheet0900aecd8057f2e0.pdf>

[cid:image003.jpg at 01CD2941.BE90DBF0]

SCCP admin state is showing up
SCCP Admin State: UP
Gateway Local Interface: Loopback0
        IPv4 Address: 10.xxx.xxx.231
        Port Number: 2000
IP Precedence: 5
User Masked Codec list: None
Call Manager: 10.xxx.xxx.1, Port Number: 2000
                Priority: N/A, Version: 6.0, Identifier: 4
                Trustpoint: N/A
Call Manager: 10.xx.xxx.4, Port Number: 2000
                Priority: N/A, Version: 6.0, Identifier: 3
                Trustpoint: N/A
Call Manager: 10.xxx.xxx.2, Port Number: 2000
                Priority: N/A, Version: 6.0, Identifier: 5
                Trustpoint: N/A

Conferencing Oper State: ACTIVE - Cause Code: NONE
Active Call Manager: 10.xxx.xxx.1, Port Number: 2000
TCP Link Status: CONNECTED, Profile Identifier: 1
Reported Max Streams: 32, Reported Max OOS Streams: 0
Supported Codec: g729br8, Maximum Packetization Period: 60
Supported Codec: g729r8, Maximum Packetization Period: 60
Supported Codec: g729abr8, Maximum Packetization Period: 60
Supported Codec: g729ar8, Maximum Packetization Period: 60
Supported Codec: g711alaw, Maximum Packetization Period: 30
Supported Codec: g711ulaw, Maximum Packetization Period: 30
Supported Codec: rfc2833 dtmf, Maximum Packetization Period: 30
Supported Codec: rfc2833 pass-thru, Maximum Packetization Period: 30
Supported Codec: inband-dtmf to rfc2833 conversion, Maximum Packetization Period: 30

All 3 phones and conference bridge are in the same DP using the same MRGL that has access to the MRG with only this conference bridge in, Im sure all the CUCM config is correct  as I can see some output from a debug SCCP messages (see below) but not really sure how to decipher them. Once I have both separate calls set up and hit conf soft key I get Cannot complete conference at the bottom of the screen


Any help would be greatly appreciated.


Regards,

Matthew Collins
IPT Engineer
Global Voice Services
Linklaters LLP, London
Telephone: + 44 20 7456 2353
Mobile: + 44 7827 806 179
E-Mail: Matthew.Collins at Linklaters.com<mailto:Matthew.Collins at Linklaters.com>


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