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DTMF payload issue

yousefxyz
Level 1
Level 1

hi ,

i have CME connected with unity express,

iam facing issue with dtmf payload type the provider ask me to change the payload typ to 97 instead of 101 and 100,

as per below log cme receiving a=fmtp:97 0-11 and sending a=fmtp:101 0-15 ,

can any one help on this .

Received:

INVITE sip:22211192@192.168.7.34:5060;user=phone SIP/2.0

Via: SIP/2.0/UDP 172.21.21.26:5060;branch=z9hG4bK10b881ab38e5d45b6c25taN0

To: "22211192"<sip:22211192@192.168.7.34>

From: "66024782"<sip:66024782@172.21.21.26>;tag=ac100102-1216

Call-ID: 06f35680-0004-0029@172.16.1.2

CSeq: 22833 INVITE

Max-Forwards: 18

Contact: <sip:66024782@172.21.21.26:5060>

Record-Route: <sip:172.21.21.26:5060;lr>

Supported: 100rel,timer

P-Asserted-Identity: <sip:66024782@172.21.21.26>

P-Charging-Vector: icid-value=Netun-20141225122205-0001f518

User-Agent: ZTE Softswitch/1.0.0

Session-Expires: 1800

Min-SE: 90

Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,INFO,REFER,NOTIFY,SUBSCRIBE,PRACK,UPDATE

Content-Type: application/sdp

Content-Length: 169

v=0

o=- 12 12758 IN IP4 172.21.21.26

s=-

c=IN IP4 172.21.21.26

t=0 0

m=audio 48010 RTP/AVP 0 8 18 97

a=rtpmap:97 telephone-event/8000

a=fmtp:97 0-11

a=ptime:20

Via: SIP/2.0/UDP 172.21.21.26:5060;branch=z9hG4bK10b881ab38e5d45b6c25taN0

From: "66024782"<sip:66024782@172.21.21.26>;tag=ac100102-1216

To: "22211192"<sip:22211192@192.168.7.34>

Date: Thu, 25 Dec 2014 09:29:25 GMT

Call-ID: 06f35680-0004-0029@172.16.1.2

CSeq: 22833 INVITE

Allow-Events: kpml, telephone-event

Server: Cisco-SIPGateway/IOS-12.x

Content-Length: 0

Dec 25 09:29:25.562: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:

Sent:

INVITE sip:778@192.168.10.2:5060 SIP/2.0

Via: SIP/2.0/UDP 192.168.7.34:5060;branch=z9hG4bK1191A5B

Remote-Party-ID: "66024782" <sip:66024782@192.168.7.34>;party=calling;screen=no;privacy=off

From: "66024782" <sip:66024782@192.168.7.34>;tag=4B20C0C-22B9

To: <sip:778@192.168.10.2>

Date: Thu, 25 Dec 2014 09:29:25 GMT

Call-ID: 59F0C23F-8B4F11E4-82CA8107-3F4CED0E@192.168.7.34

Supported: 100rel,timer,resource-priority,replaces,sdp-anat

Min-SE:  90

Cisco-Guid: 1508710583-2337214948-2193916167-1062006030

User-Agent: Cisco-SIPGateway/IOS-12.x

Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER

CSeq: 101 INVITE

Timestamp: 1419499765

Contact: <sip:66024782@192.168.7.34:5060>

Call-Info: <sip:192.168.7.34:5060>;method="NOTIFY;Event=telephone-event;Duration=2000"

Expires: 180

Allow-Events: kpml, telephone-event

Max-Forwards: 17

Session-Expires:  1800

Content-Type: application/sdp

Content-Disposition: session;handling=required

Content-Length: 446

v=0

o=CiscoSystemsSIP-GW-UserAgent 5955 3227 IN IP4 192.168.7.34

s=SIP Call

c=IN IP4 192.168.7.34

t=0 0

m=audio 18670 RTP/AVP 0 100 101

c=IN IP4 192.168.7.34

a=rtpmap:0 PCMU/8000

a=rtpmap:100 X-NSE/8000

a=fmtp:100 192-194,200-202

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

a=ptime:20

a=X-sqn:0

a=X-cap: 1 audio RTP/AVP 100

a=X-cpar: a=rtpmap:100 X-NSE/8000

a=X-cpar: a=fmtp:100 192-194,200-202

a=X-cap: 2 image udptl t38

1 Reply 1

Raghavendra G V
Cisco Employee
Cisco Employee

Please raise a case with cisco TAC they will be able to help you.

Thanks,

Raghavendra