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Interoperability List
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.
The list below contains a broad range of IP phones, access and network equipment that have undergone interoperability testing, include the development of individual configuration guidelines. Other devices may successfully inter-operate with the CPE network, however if not included on the "certified" or "authorized" lists, Twist Networks will be unable to assist in deployment and support. Additional CPE may be added to the "certification" and "authorized" lists from time-to-time based on market and sales opportnities.
| IP Phones | Firmware | Certified | Authorized | Vendor Certified |
| Aastra 480i/480iCT/9133i | 1.4 |  |
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| Aastra 55i/57i | |
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| Cisco 7940G/7960G | 8.8 | |
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| Grandstream BT200 | 1.1.6.32 | |
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| Grandstream GXP-2000/2020 | |
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| Linksys SPA-901/921/922/941/942/962 | |
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| Polycom SoundPoint IP300/301/320/330 | 2.1.2 | |
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| Polycom SoundPoint IP430 | 2.1.2 | |
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| Polycom SoundPoint IP500/501/550 | 2.1.2 | |
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| Polycom SoundPoint IP600/601/650 | 2.1.2 | |
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| Polycom SoundStation IP4000 | 2.1.2 | |
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| Sipura SPA-841 | 3.1.4 | |
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| CyberData VoIP Ceiling Speaker | 4.02 | |
| Analog Terminal Adapters | Firmware | Certified | Authorized | Vendor Certified |
| Linksys PAP2/PAP2T | 3.1.22 | |
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| Linksys RT31P2 | 2.0.12 | |
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| Mediatrix 2101 | 5.0 | |
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| Sipura SPA-1000/2000/2002 | 3.1.5 | |
| Softphones | Firmware | Certified | Authorized | Vendor Certified |
| CounterPath X-Ten/X-Lite | 3.1.22 | |
| WiFi Phones | Firmware | Certified | Authorized | Vendor Certified |
| Linksys WIP300/330 | |
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| UTStarcom F1000 | 3.10st | |
| IP PBX | Firmware | Certified | Authorized | Vendor Certified |
| Asterisk | |
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| Cisco Call Manager | |
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| Cisco Call Manager Express | |
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| Cisco UC500 | |
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| Fonality | |
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| Grandstream GXE-5024 | |
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| Intuitive Voice Evolution PBX | 2.3.5.3 | |
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| Iwatsu | |
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| Linksys SPA-9000 | 5.1.8 | |
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| Sutus BC200 | 1.3.4.070801.15 | |
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| Toshiba CIX | |
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| Vertical Telenium | |
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| Vertical Wave | |
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| Vertical Xcelerator | 1.5.4 | |
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| IAD / Gateway | Firmware | Certified | Authorized | Vendor Certified |
| Adtran TA900(e) Series | 14.02 | |
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| Quintum DX & AX | P102-11-00 | |
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| Citel SIP Handset Gateway | 2.5 | |
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| Cisco AS5300/5400 | 12.2 | |
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| InGate Siparator | |
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| Mediatrix 4104 | |
Certification
What's the difference between certified and authorized?
Certified:
Customer Provided Equipment (CPE) that Twist Networks actively ensures will continue to interoperate with our network and operating facilities and will be re-certified in advance based upon our network changes and upgrades.
Authorized:
CPE that Twist Networks has completed Interoperability (Interop) testing of primary calling functionality and features and has created and published a Configuration Guide.
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