OK. I'll work on getting this. I was also going to look at the traces as well to see what port CUCM is telling the phone to send RTP to.
Thanks! -----Original Message----- From: Ashraf Ayyash [mailto:ash.ayy...@gmail.com] Sent: Sunday, September 04, 2011 12:55 PM To: John McGaughey (jomcgaug) Cc: ccie_voice@onlinestudylist.com Subject: Re: [OSL | CCIE_Voice] Strange Intercom/RSVP issue okay , with RSVP the RTP traffic will be terminated by the MTP's so we will have this flow : IP PHONE---MTP1 -----MTP1 ----IP PHONE and you said that this affect only the intercom calls and any other calls between those 2 sites is working fine .... also if the intercom is between 2 phones in the same site it will work , the problem only happened if we got MTP for RSVP .. -can you get sniffer trace from both working (normal call) and non-working calls(interom call ) and check the RTP source and destination ip in both cases ? what is the Diff ? - can you neglect the QOS from the Picture ? take it off from the routers ? Ash On Sun, Sep 4, 2011 at 8:40 PM, John McGaughey (jomcgaug) <jomcg...@cisco.com> wrote: > Yes I have. > > -----Original Message----- > From: Ashraf Ayyash [mailto:ash.ayy...@gmail.com] > Sent: Sunday, September 04, 2011 12:06 PM > To: John McGaughey (jomcgaug) > Cc: ccie_voice@onlinestudylist.com > Subject: Re: [OSL | CCIE_Voice] Strange Intercom/RSVP issue > > have you configured the QOS section in that lab ? > > On Sun, Sep 4, 2011 at 1:46 AM, John McGaughey (jomcgaug) > <jomcg...@cisco.com> wrote: >> Hello, >> >> >> >> I'm in workbook 1, lab 9A. I'm testing the Intercom feature between the >> assistant and manager. It doesn't matter who initiates the intercom, I get >> no audio to the target phone. >> >> >> >> I pressed ?? on each phone, and the initiating phone I see packets going >> out, and on the target phone I see no packets coming in. On the target >> phone if I hit the intercom button to start 2-way audio, that works fine. >> ?? shows packets flowing in both directions and I can hear both sides. >> >> >> >> Here's where it gets weird. >> >> >> >> I have RSVP setup between the manager and assistant phone locations. If I >> disable the RSVP Reservation, the intercom issue goes away. I get 1-way >> audio to the target phone like I'm supposed to. >> >> >> >> If I put RSVP back, it fails again. >> >> >> >> With RSVP enabled, just making a regular call between sites works fine as >> well. 2-way audio. >> >> >> >> I only get no audio with the Intercom feature over an RSVP reservation. >> >> >> >> I can't see how this could be an ip routing issue since 2 way audio works >> fine. >> >> >> >> Any ideas? >> >> >> >> John >> >> _______________________________________________ >> For more information regarding industry leading CCIE Lab training, please >> visit www.ipexpert.com >> >> Are you a CCNP or CCIE and looking for a job? Check out >> www.PlatinumPlacement.com >> > _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com
