Problemas con Voip Cisco 2610

[sadzas]

Hola!

Estoy intentando coectar un telefono Mitel (registrado en una ICP 3300) con un X-Lite (registrado - eso creo- en un cisco 2610)

Cuadno disco desde cualquiera de los lados, esto aparece:

(Debug Dialpeer)
01:27:45.851: Inside dpMatchCore:
01:27:45.855: destination pattn: 700 expanded string: 700
01:27:45.855: Inside dpMatchCore:
01:27:45.855: destination pattn: 220 expanded string: 220
01:27:45.855: Inside dpMatchCore:
01:27:45.855: destination pattn: 220 expanded string: 220
01:27:45.855: dpAssociateIncomingPeer_T null source route label
01:27:45.867: Inside dpMatchPeersMoreArg
01:27:45.867: dpMatchPeersMoreArg: Match Dest. pattern; called (700)
01:27:45.871: Inside dpMatchCore:
01:27:45.871: destination pattn: 700 expanded string: 700
01:27:45.871: MatchNextPeer: Peer 100 matched
01:27:45.871: dpMatchPeersMoreArg: Result=0 after MATCH_ORIGINATE

700: X-Lite number
220: Mitel Phone number
100: Dial Peer (Cisco 2610)

Show Running-config...
...
!
voice class codec 1
codec preference 1 g729r8
codec preference 2 g726r16
codec preference 3 g726r24
codec preference 4 g726r32
codec preference 5 g711alaw
codec preference 6 g711ulaw
!
!
dial-peer voice 1 voip
session protocol sipv2
!
dial-peer voice 100 voip
destination-pattern 700
voice-class codec 1
session protocol sipv2
session target ipv4 x.xx.xx.xx
!
!
dial-peer voice 101 voip
destination-pattern 220
voice-class codec 1
session protocol sipv2
session target ipv4 x.xx.xx.xx
!
...

No puedo establecer la comunicacion, alguien sabe por que?
Gracias!