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deploying transcoders between two CME routers

Dears,

i am trying to deply transcoders on two cme routers, to permit the forwarding of unanswered or busy lines to voicemail. On the voip dial-peers between the branches i am using a g729 codec.

So i configured transcoders on both routers and i verified that the transcoders are registered to the CME routers but it seems that any call from the other branch is still forwarded to the unity express without being transcoded to g711. The following is the transcoder config on the first router:

voice-card 0

dsp services dspfarm

sccp local GigabitEthernet0/0

sccp ccm 192.168.101.50 identifier 1 version 3.1

sccp

!

sccp ccm group 1

bind interface GigabitEthernet0/0

associate ccm 1 priority 1

associate profile 1 register mtp001bd4ee70a0

!

dspfarm profile 1 transcode

codec g711ulaw

codec g711alaw

codec g729ar8

codec g729abr8

codec g729br8

codec g729r8

maximum sessions 2

associate application SCCP

!

dial-peer voice 100 voip

destination-pattern 6..

session protocol sipv2

session target ipv4:192.168.101.51

dtmf-relay sip-notify rtp-nte h245-signal h245-alphanumeric

codec g711ulaw

no vad

!

telephony-service

sdspfarm units 1

sdspfarm transcode sessions 10

sdspfarm tag 1 mtp001bd4ee70a0

sh sccp

SCCP Admin State: UP

Gateway Local Interface: GigabitEthernet0/0

IPv4 Address: 192.168.101.50

Port Number: 2000

IP Precedence: 5

User Masked Codec list: None

Call Manager: 192.168.101.50, Port Number: 2000

Priority: N/A, Version: 3.1, Identifier: 1

Trustpoint: N/A

Transcoding Oper State: ACTIVE - Cause Code: NONE

Active Call Manager: 192.168.101.50, Port Number: 2000

TCP Link Status: CONNECTED, Profile Identifier: 1

Reported Max Streams: 4, Reported Max OOS Streams: 0

Supported Codec: g711ulaw, Maximum Packetization Period: 30

Supported Codec: g711alaw, Maximum Packetization Period: 30

Supported Codec: g729ar8, Maximum Packetization Period: 60

Supported Codec: g729abr8, Maximum Packetization Period: 60

Supported Codec: g729br8, Maximum Packetization Period: 60

Supported Codec: g729r8, Maximum Packetization Period: 60

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

sh sdspfarm units

mtp-1 Device:mtp001bd4ee70a0 TCP socket:[1] REGISTERED in SCCP ver 0/10

actual_stream:4 max_stream 4 IP:192.168.101.50 64050 MTP YOKO keepalive 237

Supported codec:

G711Ulaw

G711Alaw

G729

G729a

G729b

G729ab

max-mtps:1, max-streams:20, alloc-streams:4, act-streams:0

Can anyone help plz?

Best regards

1 Reply 1

mightyking
Level 6
Level 6

This is my working config.

voice-card 1

dspfarm

dsp services dspfarm

!

sccp local Vlan110

sccp ccm 171.X.X.225 identifier 1

sccp

!

sccp ccm group 1

associate ccm 1 priority 1

associate profile 2 register MTP123456789123

dspfarm profile 2 transcode

codec g711ulaw

codec g711alaw

codec g729ar8

codec g729abr8

codec gsmfr

maximum sessions 1

associate application SCCP

MK