Thanks again, Aokanlawon! You were right! After adding "credentials number username XXXXX password XXXXX realm sipnet.ru" it works! show sip-ua register status shows my registration! I see my cisco router on SIP Provider side too. There is one thing left. I had to update my IOS to c3725-adventerprisek9_ivs-mz.124-15.T14 to input "credentials command". On previous version of IOS I didn't have it. ... View more

Thank you for answers! I've added peers and it works now! There is one thing left. Show sip-ua register status still doesn't show anything. Seems connection to my sip provider establishes only at the call time. What else can I add to my config to make my connection permanent. Working config for me is: voice rtp send-recv voice class codec 1 codec preference 1 g711alaw codec preference 2 g711ulaw codec preference 3 g729r8 dial-peer voice 2 pots description Inbound from Telephony incoming called-number . direct-inward-dial dial-peer voice 3 voip description Outbound to SIPNET destination-pattern .T voice-class codec 1 session protocol sipv2 session target sip-server dtmf-relay rtp-nte no vad sip-ua authentication username {SIP ID} password {Pass} calling-info pstn-to-sip from number set {SIP ID} registrar dns:sipnet.ru:5060 expires 600 sip-server dns:sipnet.ru telephony-service max-ephones 5 max-dn 5 ip source-address 192.168.100.1 port 2000 auto assign 1 to 5 calling-number initiator time-zone 32 create cnf-files version-stamp 7960 Nov 04 2013 11:40:14 max-conferences 8 gain -6 transfer-system full-consult ephone-dn  1  dual-line number 1000 no-reg primary ephone  1 mac-address 0015.5D0A.0514 type CIPC button  1:1 ... View more

I use CME. I just newbie in Cisco Voice, so my configuration is pretty simple. Firstly I want to do this R3725(CME)---->SIP---->sipnet.ru Full config below. Almost everything by default. version 12.4 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R4 ! boot-start-marker boot-end-marker ! ! no aaa new-model memory-size iomem 5 clock timezone MSK 4 no ip icmp rate-limit unreachable ip cef ! ! ! ! ip domain name home.local ip name-server 8.8.8.8 ip auth-proxy max-nodata-conns 3 ip admission max-nodata-conns 3 ! ! ! ! ! voice rtp send-recv ! ! voice class codec 1 codec preference 1 g711alaw codec preference 2 g711ulaw codec preference 3 g729r8 ! ! ! ! ! ! ! ! ! ! ! ! ! ip tcp synwait-time 5 ! ! ! ! ! interface FastEthernet0/0 ip address 192.168.137.2 255.255.255.252 duplex auto speed auto ! interface FastEthernet0/1 no ip address shutdown duplex auto speed auto ! ip forward-protocol nd ip route 0.0.0.0 0.0.0.0 192.168.137.1 ! ! no ip http server no ip http secure-server ! ! ! ! control-plane ! ! ! ! ! ! ! sip-ua authentication username {SIP ID} password {Pass} calling-info pstn-to-sip from number set {SIP ID} registrar dns:sipnet.ru:5060 expires 600 sip-server dns:sipnet.ru ! ! ! ! line con 0 exec-timeout 0 0 privilege level 15 logging synchronous line aux 0 exec-timeout 0 0 privilege level 15 logging synchronous line vty 0 4 login ! ntp clock-period 17179899 ntp server 89.175.22.41 ! end ... View more

Thank you very much, Marvin! ... View more

Thank you, cwallin. I saw this site. Nipper needs licensees now. https://www.titania-security.com/store/nipper May be anybody knows alternate software with similar functions which are usable free...  ... View more

Thank very much you for such detailed unswer, Peter! ... View more