If you want us to be able to figure out your H.323 negotiation problem without codec transparent in place, you need to provide these debugs: debug h225 asn1 debug h245 asn1
On Mon, May 11, 2015 at 6:33 AM, s m <sam.gh1...@gmail.com> wrote: > thank you Ryan, > > i have no problem with sip and it is ok (although i do not know it has MTP > or not). i think transcoder may not needed because as i know, it translate > two different codecs to each other but in my scenario, both side uses > g711alaw. please let me know if i misunderstand it. > > > On Mon, May 11, 2015 at 11:31 AM, Ryan Huff <ryanh...@outlook.com> wrote: > >> The reason that is happening is due to media negotiation failure as you >> mention (both call legs are not offering the same codec capabilities). In >> that exact configuration, you would need a transcoder (which you could run >> on the router if you have enough DSP). >> >> Are you sold on h323 or can you do a full SIP trunk (with MTP) between >> cucm and asterisk? >> >> Thanks, >> >> Ryan >> >> >> -------- Original Message -------- >> From: s m <sam.gh1...@gmail.com> >> Sent: Monday, May 11, 2015 12:25 AM >> To: Ryan Huff <ryanh...@outlook.com> >> Subject: Re: [cisco-voip] how codec transparent works? >> CC: cisco-voip@puck.nether.net >> >> hello Ryan, >> >> thank you for your reply. without codec transparent, my phone rings but >> when i answer i have no voice and it hangs up after 5 seconds. asterisk >> says "no answer". this is so strange for me. i think media negotiation >> failed, right? is there any hint to have h323 trunk to asterisk with >> specific codec (not transparent one)??? >> >> On Sun, May 10, 2015 at 4:32 PM, Ryan Huff <ryanh...@outlook.com> wrote: >> >>> Codec transparent just passes sdp through to the other call leg without >>> trying to do media negotiations. >>> >>> So without codec transparent, what happens? >>> Thanks, >>> >>> Ryan >>> >>> >>> -------- Original Message -------- >>> From: s m <sam.gh1...@gmail.com> >>> Sent: Sunday, May 10, 2015 01:19 AM >>> To: cisco-voip@puck.nether.net >>> Subject: [cisco-voip] how codec transparent works? >>> >>> hello everybody, >>> >>> anybody knows how codec transparent works? >>> >>> i have a strange problem. i want to set h323 trunk between asterisk and >>> cisco 2800. it only works when i set codec transparent in dial-peer nodes. >>> show commands in cisco shows that i have a call with g711alaw but if i set >>> codec g711alaw in dial-peers, i do not have any success call. i know it is >>> codec compatibility problem. is there any difference between g711 codecs >>> which cisco and asterisk utilize? what happened when codec is set to >>> transparent? dose anyone know anything about it? >>> >>> thanks is advance >>> SAM >>> >> >> > > _______________________________________________ > cisco-voip mailing list > cisco-voip@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-voip > >
_______________________________________________ cisco-voip mailing list cisco-voip@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-voip