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.
Try removing the SIP bind source control/media commands.
HTH,
Chris
Sent from Cisco Technical Support iPhone App
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
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
Hi Frank.
Under sip-ua try to add
nat symmetric role active
nat symmetric check-media-src
HTH
Regards
Carlo
Sent from Cisco Technical Support iPhone App
Try removing the SIP bind source control/media commands.
HTH,
Chris
Sent from Cisco Technical Support iPhone App
Hi Chris,
it worked out well. Thank you so much.
Thanks to all others as well for helping
Best Regards, Frank