1. SIP interoperability status (ITSP status)
SIP Carrier
UX5000
Software
Bandwidth
Certified
V2.60 or
BroadVox
Excel Communications
Cbeyond
Field Trial
V2.61 XO
Completed
TBD
PaeTec
Broadsoft – completed
Lucent – Testing
G Testing
Prime Voice
Uncertified but working
BandTel
Testing
BroadSoft
Nortel*
Completed = Test completed
Testing = In Lab Testing
TBD = To be done

2. SIP interoperability status (ITSP status)
SIP Carrier
UX5000
Software
Nuvox
Testing
TBD
All Stream
AT & T
Level 3
Verizon
Telepacific
Nexvortex
8x8
Skype for SIP
Waiting List
VinTalkj

3. SIP interoperability status (ITSP status)
SIP Carrier
UX5000
Software
INdigital
TBD
Alcatel/Lucent
Avaya
Quest
IP5280