Latest tested versions: Cisco IOS 12.4(24)T - UCME 7.1 T Train build (uc500-advipservicesk9-mz.124-24.T.bin) Cisco IOS 12.4(22)YB3 - UCME 7.1 Special build (uc500-advipservicesk9-mz.124-22.Also, when trying to use a port other than 5060 behind a NAT, on the Advanced/Global SIP page you might try changing "Local SIP UDP/TCP Port" to whatever port you are registering on with your Line settings.This lets the Free SWITCH server return SIP traffic on the same port your phone sent SIP traffic out on.Central provisioning is not working so far, but is announced by Aastra.We had to add the IP of the Free SWITCH sip server as the "Gateway Registration Name" and "Gateway Name" inside of the Media Pack.The 320HD is intended for the more sophisticated user (mid range phone), and some needed features are still in development/fixing (like BLF, SLA, soft keys).
Each base station then acts also as a DECT repeater, so no additional repeaters are necessary.
YB3.bin) The Cisco UC520 is a fairly flexible PBX geared for small businesses; and the Cisco IOS SIP stack it uses seems to be reasonably compatible with Free SWITCH without too much messing around.
Cisco Integrated Services Routers, such as the 1861, 2800, 3800 can also connect to Free SWITCH using Unified Call Manager Express as PBX or using Cisco Unified Border Element as a session border controller.
For SCCP (aka Skinny) interop list, look at mod_skinny#Interop List Latest tested build: SIP45.8-5-2S.loads (8.5.2) Busy Lamp Field display is not currently supported as of Free SWITCH 1.0.3. They are Handle VIA received, Handle VIA rport, Insert VIA received, Insert VIA rport, Substitue VIA Addr, and Send Resp to Src Port.
Wideband codec support works well on phone-to-phone, IVR, auto attendant and SIP trunk calls. They may NOT all be required, but it worked like this.