voice service voip
allow-connections h323 to h323
allow-connections h323 to sip
allow-connections sip to h323
allow-connections sip to sip
h323
  h245 tunnel disable
sip
  registrar server expires max 3600 min 3600
  redirect contact order best-match
!
!
voice register global
mode cme
source-address 10.10.10.1 port 5060
max-dn 10
max-pool 5
!
voice register dn  1
number 108
name 108
!
voice register pool  1
id mac qqqq.qqqq.qqqq
number 1 dn 1
codec g711ulaw

dial-peer voice 108 voip
description 108
translation-profile incoming IncomingProfile
translation-profile outgoing OutgoingProfile
destination-pattern 108
session target ipv4:10.10.10.1
session transport udp
incoming called-number 5552211
codec g711ulaw
no vad

вот дебаг

082487: *Feb  8 18:10:22.939 Riga: //5000/C4528EF281CE/SIP/Error/sipSPI_ipip_set_history_info_header: Not SIP2SIP mode
SIP: (5000) Group (a= group line) attribute, level 65535 instance 1 not found.
082488: *Feb  8 18:10:22.939 Riga: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:
Sent:
INVITE sip:108@10.10.10.210:5060 SIP/2.0
Via: SIP/2.0/UDP 10.10.10.1:5060;x-route-tag="tgrp:PRI";branch=z9hG4bK76F5
Remote-Party-ID: <sip:00442303030@10.10.10.1>;party=calling;screen=yes;privacy=off
From: <sip:00442303030@10.10.10.1>;tag=61382638-983
To: <sip:108@10.10.10.210>
Date: Tue, 08 Feb 2011 16:10:22 GMT
Call-ID: C453C7DA-32D411E0-ABDDE6A4-1EA1764F@10.10.10.1
Supported: 100rel,timer,resource-priority,replaces,sdp-anat
Min-SE:  1800
Cisco-Guid: 3293744882-0852759008-2177796163-3781247784
User-Agent: Cisco-SIPGateway/IOS-12.x
Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER
CSeq: 101 INVITE
Max-Forwards: 70
Timestamp: 1297181422
Contact: <sip:0442303030@10.10.10.1:5060>
Expires: 180
Allow-Events: telephone-event
Content-Type: application/sdp
Content-Disposition: session;handling=required
Content-Length: 212

v=0
o=CiscoSystemsSIP-GW-UserAgent 8281 6751 IN IP4 10.10.10.1
s=SIP Call
c=IN IP4 10.10.10.1
t=0 0
m=audio 25018 RTP/AVP 0 19
c=IN IP4 10.10.10.1
a=rtpmap:0 PCMU/8000
a=rtpmap:19 CN/8000
a=ptime:20

082489: *Feb  8 18:10:22.959 Riga: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:
Received:
SIP/2.0 100 Trying
To: <sip:108@10.10.10.210>
From: <sip:00442303030@10.10.10.1>;tag=61382638-983
Call-ID: C453C7DA-32D411E0-ABDDE6A4-1EA1764F@10.10.10.1
CSeq: 101 INVITE
Via: SIP/2.0/UDP 10.10.10.1:5060;x-route-tag="tgrp:PRI";branch=z9hG4bK76F5
Timestamp: 1297181422
Server: Linksys/PAP2T-3.1.15(LS)
Content-Length: 0

082490: *Feb  8 18:10:22.979 Riga: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:
Received:
SIP/2.0 180 Ringing
To: <sip:208@10.10.10.210>;tag=13d901176987fcefi1
From: <sip:00442303030@10.10.10.1>;tag=61382638-983
Call-ID: C453C7DA-32D411E0-ABDDE6A4-1EA1764F@10.10.10.1
CSeq: 101 INVITE
Via: SIP/2.0/UDP 10.10.10.1:5060;x-route-tag="tgrp:PRI";branch=z9hG4bK76F5
Timestamp: 1297181422
Server: Linksys/PAP2T-3.1.15(LS)
Content-Length: 0