SIP Direct Dial Service by Twist Networks

No need to port or move your existing phone numbers. If you have one IP ready PBX and broadband internet we can assign you new direct or private line numbers to ring right at your desk phone. Perfect for doctors offices, law offices, and for all other professional in key management positions. Your private number will ring your station even if your other voice lines are not working as long as you have internet access. All for a fraction of the cost of DID services from your local service provider. There is no longer a need for an expensive T1 or PRI circuit to get DID features!

Plans start at just $19.50 per line.

CPE Interoperability

Twist Networks VoIP technologies are based upon standards. However, some equipment manufacturers implement those standards slightly different. As a result, Twist Networks has gathered an interoperability list of popular equipment used in SIP implementation.

IP PBX	Firmware	Certified	Authorized	Vendor Certified
Asterisk
Cisco Call Manager
Cisco Call Manager Express
Cisco UC500
Fonality
Grandstream GXE-5024
Intuitive Voice Evolution PBX	2.3.5.3
Iwatsu
Linksys SPA-9000	5.1.8
Sutus BC200	1.3.4.070801.15
Toshiba CIX
Vertical Telenium
Vertical Wave
Vertical Xcelerator	1.5.4

IAD / Gateway	Firmware	Certified	Authorized	Vendor Certified
Adtran TA900(e) Series	14.02
Quintum DX & AX	P102-11-00
Citel SIP Handset Gateway	2.5
Cisco AS5300/5400	12.2
InGate Siparator
Mediatrix 4104