wards SIP Trunk ip address 99.X.X.X 255.255.255.0 duplex auto sccp local GigabitEthernet0/1 (12) sccp ccm 172.X.X.X identifier 1 version 7.0 sccp ccm group 1 associate ccm 1 priority 1 associate profile 1 register cfb0018185bb7a1 dspfarm profile 1 conference (12) codec g711ulaw codec g711alaw codec g729ar8 codec g729abr8 codec g729r8 codec g729br8 maximum sessions 6 associate application SCCP dial-peer voice 1999 voip (13) description CUCM to AT&T destination-pattern 1[1-9,1-9,1-9] rtp payload-type nse 99 (14) rtp payload-type nte 100 (15) voice-class codec 1 (16) voice-class sip early-offer forced (17) voice-class sip profiles 1 (18) session protocol sipv2 session target ipv4:207.y.y.Y (19) incoming called-number 1 dtmf-relay rtp-nte (21) Chapter 10: Deployment Scenarios 195 fax-relay sg3-to-g3 fax rate 14400 fax protocol t38 Is-redundancy 0 hs-redundancy 0 fallback pass-through g711ulaw (22) dial-peer voice 732111 voip (23) description AT&T to CUCM destination pattern 732 rtp payload - type nse 99 rtp payload type nte 100 voice-class codec 1 voice-clas sip profiles 1 session protocol sipv2 voice-class sip dtmf-relay force rtp-nte (24) session target ipv4:172.X.X.X incoming called-number 732320 dtmf-relay rtp-nte fax-relay sg3-to-g3 fax protocol t38 Is-redundancy 0 hs-redundancy 0 fallback pass-through g711ulaw sip-ua retry invite 2 (25) no remote-party - - id Note the following: 1. This command enables Digital Signal Processing (DSP) resources on the router to reg- ister to CUCM to be used for conferencing of G.729 SIP trunk participants. 2. This command enables IP address hiding between the private network (CUCM side) and the public network (AT&T IP Flex-reach). 3. This command enables CUBE (IP-to-IP voice communication). This command enables T.38 fax at a global level, meaning all Voice over IP (VoIP) dial-peers not configured for a specific fax protocol utilizes this setting. Set this command instead to fax protocol pass-through g71 1ulaw to use G.711 as the fax protocol. This command enables for SIP error m