10-06-2013 09:15 AM - edited 03-16-2019 07:44 PM
Hi,
I'm having problems in configuring my SIP accout on my Cisco 1861 router. The router registers successfully at the sip provider, calling from inside/outside works fine.
After establishing the sip call there is only one-way audio from outside to the router/phone. No audio is send in the other direction (from the phone/router to the sip provider).
Configuration is attatched
Any idea where the problem is? Thanks for any help.
Regards, Frank
Solved! Go to Solution.
10-06-2013 12:18 PM
Try removing the SIP bind source control/media commands.
HTH,
Chris
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10-06-2013 09:43 AM
10-06-2013 10:38 AM
Hello
can you please find the below configuration for your issue , i think you have to configure MTP
sccp local vlan 1
sccp ccm 10.10.10.1 identifier 1 version 7.0
sccp
!
sccp ccm group 1
bind interface vlan 1
associate ccm 1 priority 1
associate profile 1 register MOTMTP
dspfarm profile 1 mtp
codec pass-through
codec g711ulaw
maximum sessions software 200
associate application SCCP
telephony-service
sdspfarm units 3
sdspfarm transcode sessions 8
sdspfarm tag 1 MOTMTP
Thank you
please rate all useful information
10-06-2013 11:28 AM
10-06-2013 11:46 AM
Hi
Most of the time ip routing will be the problem of firewall which can stop RTP .Can you do a call and do "debug ccsip messages" and share with us?.
Please find the below:-
1-
I am sorry you have to do the below to enable the MTP on your router
dspfarm profile 1 mtp
no shutdown
2-
voice service voip
sip
header-passing
Thanks
please rate all useful information
10-06-2013 12:04 PM
Hi Frank.
Under sip-ua try to add
nat symmetric role active
nat symmetric check-media-src
HTH
Regards
Carlo
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10-06-2013 12:18 PM
Try removing the SIP bind source control/media commands.
HTH,
Chris
Sent from Cisco Technical Support iPhone App
10-06-2013 01:08 PM
Hi Chris,
it worked out well. Thank you so much.
Thanks to all others as well for helping
Best Regards, Frank
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