Plan SIP Gateway

Publisher

Microsoft

URL

https://learn.microsoft.com/en-us/microsoftteams/sip-gateway-plan

Published

2026-07-06

Updated

unknown

Accessed

2026-09-30

HTTP status

200

License

Microsoft Learn terms of use; no-redistribution; short excerpts and locators only

Source notes citing this source

• Microsoft lists Avaya J100 SIP phones (J129, J139, J159, J169, J179, J189) as compatible with Teams SIP Gateway, with minimum and approved firmware 4.1.11.0. in context
• SIP Gateway devices can make and receive PSTN and Teams calls, hold and resume, conference two calls, do blind and consultative transfers, retrieve voicemail with message waiting indication, send DTMF and dial in to Teams meetings. in context
• SIP Gateway device users can only call users who have phone numbers. in context
• Compatible Cisco SIP IP phones support dynamic emergency location discovery with SIP Gateway over LLDP only. in context
• For Cisco 6821, 6841, 6851, 6861, 6871, 7811, 7821, 7841, 7861, 8811, 8841, 8845, 8851, 8861 and 8865 Microsoft lists minimum firmware 11.1.1MPP and approved firmware 12-0-7MPP; the 8832 has minimum 11.3.5MPP and approved 12-0-7MPP. in context
• Microsoft lists the Cisco 8875, 9841, 9851, 9861 and 9871 as compatible with minimum and approved firmware PhoneOS 3.3.1. in context
• Microsoft lists as SIP Gateway compatible: Skype for Business IP phones with standard SIP firmware, Cisco IP phones with multiplatform SIP firmware, and SIP devices from vendors such as Poly, Yealink and AudioCodes. in context
• SIP Gateway feature codes include *30* to set Teams Do Not Disturb, *31* to reset it, *55* for one-time verification code validation of devices provisioned through the Teams admin center, and *99* to check voicemail. in context
• Microsoft lists SIP Gateway device capabilities as PSTN and Teams calling, hold and resume, mute, multiple simultaneous calls and conferencing two calls, voicemail with message waiting indicator, DTMF, dial-in to Teams meetings, and blind and consultative transfer. in context
• Microsoft states SIP Gateway is not yet available for DoD. in context
• Microsoft's compatible-devices table notes that a Poly device will auto reboot and install the selected firmware, and links the Poly Lens provisioning guide. in context
• For Poly devices, LLDP must be turned on at switch level for subnet-length-based dynamic location discovery with SIP Gateway. in context
• Microsoft lists Poly Trio 8500 and 8800 with minimum 5.9.5.3182 and approved 7.2.4.0185, Poly Edge E100 to E550 with minimum 8.1.0.12774 and approved 8.5.1.0508, and Poly Edge V models with minimum 8.5.1.0565. in context
• Microsoft lists Poly VVX models with minimum firmware 5.9.5; approved firmware is 5.9.7.3480 for VVX300, 310, 400, 410, 500 and 600, and 6.4.x builds for the other VVX models such as VVX250, 350 and 450 (6.4.6.2656). in context
• Microsoft marks the Poly VVX300, VVX310, VVX400, VVX410, VVX500 and VVX600 and the Cisco ATA191 and ATA192 as supporting only static location with SIP Gateway. in context

Cite this source record

APA

WarmTransfer. (2026, July 6). Plan SIP Gateway. WarmTransfer. https://warmtransfer.net/knowledge/sources/ms-learn-sip-gateway-plan-b

BibTeX

@misc{warmtransfer-ms-learn-sip-gateway-plan-b,
  title  = {Plan SIP Gateway},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/ms-learn-sip-gateway-plan-b},
  note   = {Microsoft, accessed 2026-09-30}
}