I would have to agree - your easiest route is to upgrade to CCM 4.0+ with SIP trunk support..
On Fri, 2005-10-14 at 16:55 -0500, Paul Davidson wrote: > > Message: 13 > Date: Fri, 14 Oct 2005 09:58:37 -0500 (CDT) > From: <[EMAIL PROTECTED]> > Subject: [Asterisk-Users] Asterisk/Cisco Call Manager 3.3 > To: <[email protected]> > Message-ID: > <[EMAIL PROTECTED]> > Content-Type: text/plain; charset=iso-8859-1 > > I need to pick all the Asterisk and Cisco People a little. > > My company has a Cisco Call Manager 3.3, configured via h323 > gateways. I > have remote users that I want to place a SIP Server on the > external WAN > and be able to connect their phones to the system and be able > to get calls > and call people in the office going through the Cisco Call > Manager and the > h323 router. My only problem is that Cisco Call Manager 3.3 > does not > support sip trunking. Is there anyway this can be done. > > Please shed some light on this topic. > > Thanks. > > Goran > > Goran- > > Speaking from experience, you have a tough road ahead of you. The > only way to accomplish this is via h.323 trunks under Cisco and > Asterisk. There are a few known good configurations- I can really > only speak to one, as it eventually worked for me- but others may have > different and perfectly reasonable advice. > > First, some prerequisites: > 1. Asterisk 1.2 or CVS HEAD. Do NOT try this with any of the 1.0X > series- you will be able to call from CCM to Asterisk, but not from > Asterisk to CCM. > 2. An H323 Gatekeeper. GnuGK works, but does occasionally bonk out. > CCM will send RRQ requests to the gatekeeper at a rate of 10x per > second, and eventually, GnuGK loses it. An IOS gatekeeper seems to be > much better. > 3. chan_h323 set up and running properly. There's whole readme files > on the prerequisites for this- read them, follow the directions > closely- and call on JerJer *LAST* if you value your life. > 4. A Gatekeeper controlled Trunk on CCM. The tricky bits here are the > significant digits, and the technology prefix. CCM does *NOT* > register the tech prefix or it's extensions with the gatekeeper- so > you'll have to config the gatekeeper to know where to send the call, > and you'll have to configure your CCM dialplan to act accordingly. > > Set this up slowly. Get a working Asterisk box that's able to handle > softphones or hardphones as an island PBX, then configure the H323 > trunk- you'll save some frustration of trying to configure both > simultaneously. > > Find me on the IRC channel if you need specific questions answered- or > email me directly. I can optionally configure it for you for a fee- > I'm based in the US, and judging from your accent, I'd say you aren't- > I can do this remotely if needed. I won't charge you for questions > answered. :) > > -pbd > _______________________________________________ > --Bandwidth and Colocation sponsored by Easynews.com -- > > Asterisk-Users mailing list > [email protected] > http://lists.digium.com/mailman/listinfo/asterisk-users > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users _______________________________________________ --Bandwidth and Colocation sponsored by Easynews.com -- Asterisk-Users mailing list [email protected] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
