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Plan for SIP Gateway

SIP Gateway lets your organization use any compatible SIP device with Microsoft Teams to preserve your investments in SIP devices. Now you can sign-in to Teams with your corporate credentials and make and receive calls with a compatible SIP device. Compatible devices can be Skype for Business IP phones with standard SIP firmware, Cisco IP phones with multiplatform SIP firmware, or SIP devices from vendors such as Poly, Yealink, and AudioCodes. To find out how to configure your SIP devices for SIP Gateway, see Configure SIP Gateway.

Benefits of SIP Gateway

A SIP gateway lets compatible SIP devices connect seamlessly to Teams for calling features and lets them do the following:

  • Make calls: SIP device users can make calls to the Public Switched Telephone Network (PSTN), to other SIP devices, and to Teams and Skype for Business users. SIP device users can only call users who have phone numbers.
  • Receive calls: SIP device users can receive a call from the PSTN, from other Teams or Skype for Business users who have SIP devices, and from Teams and Skype for Business applications. The SIP device acts as a Teams endpoint. Inbound calls will be received on the user's SIP device.
  • Multiple simultaneous calls: A SIP device user in a call can put the call on hold to make or receive other calls. A SIP device user can also conference two calls.
  • Hold/Resume and Mute/Unmute: A SIP device user can hold and resume or mute and unmute a call by using the features for those actions on the device.
  • Voicemail: SIP device users can listen to electronically stored voice messages that callers leave for them.
  • Message waiting indicator: SIP device users can receive notifications that alert them when they have new voicemail messages.
  • Sign-in and sign-out: SIP devices users can sign in and sign out of Teams on the device.
  • Dual-tone multi-frequency: SIP device users can press number keys to provide input during interactive voice response calls.
  • Teams meetings: A user's SIP device can join Teams meetings by dialing into the meeting using a phone number. A meeting participant can add an internal and external guest to a meeting by dialing out to user's phone number or can add them by using the 'Request to Join' button.
  • Call transfers: SIP device users can transfer calls. SIP Gateway supports both blind and consultative transfers.
  • Local call forwarding: A user can set forwarding rules (always, on timeout, and busy) for the device. If the device is connected to the SIP Gateway, then the call will be sent to the calls endpoint based on the rule that the user has set. To make local call forwarding work, the admin must set the AllowCallRedirect attribute in Set-CsTeamsCallingPolicy to Enabled.
  • Off board stale devices: A SIP gateway supports auto offboarding of stale devices provisioned for a tenant. Paired (signed-in) devices will be off boarded if not connected for 30 days, and unpaired (signed-out) devices after 14 days. A device that has been off boarded can be onboarded again after a factory reset.
  • Set DND from SIP devices: You can use your SIP device for setting and fetching your Teams Do Not Disturb (DND) status. To set the DND status for your Teams account from your SIP device, dial the feature code *30* on the SIP device. To reset your Teams DND status, dial *31* from the SIP device. Dialing *31* clears the user-configured presence status, in this case DND.
  • Call Queues and voice apps support: Customers can use SIP devices as call queue agents with some restrictions, for instance, SIP Gateway doesn't publish presence for devices hence presence based routing isn't supported.

Requirements to use SIP Gateway

Teams users must have a phone number with PSTN calling enabled to use SIP Gateway.

Note

SIP Gateway is now available for government community cloud (GCC) environment. It isn't yet available for GCC High and DoD.

Note

SIP Gateway Feature Codes: DND - *30* (Set DND From SIP Device) *31* (Reset Teams DND Status from SIP Device) Call Forwarding - (https://support.microsoft.com/office/call-forwarding-call-groups-and-simultaneous-ring-in-microsoft-teams-a88da9e8-1343-4d3c-9bda-4b9615e4183e) *32* - Reset Call Forwarding Status *33* (Set "Call Forwarded To" Number) *34* (Set "Forward on Timeout") *35* (Setup Simultaneous Ring) Device Validation - *55* - OTP validation from devices provisioned through Teams Admin Center Voicemail - *99* - Check voicemail

Hardware, software, and licenses

If you have a 3PIP or SIP device, you must have the following:

Compatible devices

Vendor Model Minimum firmware version Approved firmware version Remarks Links
Cisco Devices running enterprise firmware must be converted to multiplatform firmware. Read the guide at the right to learn how. Cisco firmware conversion guide
88321 11.3.5MPP 12-0-3MPP
68211 11.1.1MPP 12-0-3MPP
68411 11.1.1MPP 12-0-3MPP
68511 11.1.1MPP 12-0-3MPP
68611 11.1.1MPP 12-0-3MPP
68711 11.1.1MPP 12-0-3MPP
78111 11.1.1MPP 12-0-3MPP
78211 11.1.1MPP 12-0-3MPP
78411 11.1.1MPP 12-0-3MPP
78611 11.1.1MPP 12-0-3MPP
88111 11.1.1MPP 12-0-3MPP
88411 11.1.1MPP 12-0-3MPP
88451 11.1.1MPP 12-0-3MPP
88511 11.1.1MPP 12-0-3MPP
88611 11.1.1MPP 12-0-3MPP
88651 11.1.1MPP 12-0-3MPP
ATA191-MPP3 11.2.2MPP 11-2-2MPP0101-013
ATA192-MPP3 11.2.2MPP 11-2-2MPP0101-013
Poly The device will auto reboot and install the selected firmware. Poly Lens Provisioning Guide
Trio 85002 5.9.5.3182 7.2.4.0185
Trio 88002 5.9.5.3182 7.2.4.0185
VVX1502 5.9.5 6.4.3.5814
VVX2012 5.9.5 6.4.3.5814
VVX2502 5.9.5 6.4.3.5814
VVX3003 5.9.5 5.9.7.3480
VVX3012 5.9.5 6.4.3.5814
VVX3103 5.9.5 5.9.7.3480
VVX3112 5.9.5 6.4.3.5814
VVX3502 5.9.5 6.4.3.5814
VVX4003 5.9.5 5.9.7.3480
VVX4012 5.9.5 6.4.3.5814
VVX4103 5.9.5 5.9.7.3480
VVX4112 5.9.5 6.4.3.5814
VVX4502 5.9.5 6.4.3.5814
VVX5003 5.9.5 5.9.7.3480
VVX5012 5.9.5 6.4.3.5814
VVX6003 5.9.5 5.9.7.3480
VVX6012 5.9.5 6.4.3.5814
Rove B11 8.0.5.0002 8.0.5.0002
Rove B21 8.0.5.0002 8.0.5.0002
Rove B41 8.0.5.0002 8.0.5.0002
Rove 201 8.0.5.0003 8.0.5.0003
Rove 301 8.0.5.0002 8.0.5.0002
Rove 401 8.0.5.0002 8.0.5.0002
Edge E1002 8.1.0.12774 8.1.0.12774
Edge E2202 8.1.0.12774 8.1.0.12774
Edge E3002 8.1.0.12774 8.1.0.12774
Edge E3202 8.1.0.12774 8.1.0.12774
Edge E3502 8.1.0.12774 8.1.0.12774
Edge E4002 8.1.0.12774 8.1.0.12774
Edge E4502 8.1.0.12774 8.1.0.12774
Edge E5002 8.1.0.12774 8.1.0.12774
Edge E5502 8.1.0.12774 8.1.0.12774
ATA 4003 4.0.1.6480 4.0.1.6480 Poly ATA 400 Series Configuration Guide
ATA 4023 4.0.1.6480 4.0.1.6480
OBi 3003 3.2.4.8441 3.2.5.8732
OBi 3023 3.2.4.8441 3.2.5.8732
Yealink Yealink support
T21P3 83 34.72.0.75
T21P_E23 83 52.84.0.125
T23G3 83 44.84.0.140
T27G1 83 69.86.0.15
T29G3 83 46.83.0.130
T301 83 124.86.0.147
T30P1 83 124.86.0.147
T31G1 83 124.86.0.147
T31P1 83 124.86.0.147
T33G1 83 124.86.0.147
T40G3 83 76.84.0.125
T40P3 83 54.84.0.125
T41P3 83 36.83.0.120
T41S2 83 66.86.5.1
T42G3 83 29.83.0.130
T42S2 83 66.86.5.1
T42U2 83 108.86.5.1
T43U2 83 108.86.5.1
T46G3 83 28.83.0.130
T46S2 83 66.86.5.1
T46U2 83 108.86.5.1
T48G3 83 35.83.0.130
T48S2 83 66.86.5.1
T48U2 83 108.86.5.1
T532 83 96.86.5.1
T53W2 83 96.86.5.1
T54W2 83 96.86.5.1
T57W2 83 96.86.5.1
W56H3 61.85.0.56
W73H3 116.85.0.38
W57R3 118.85.0.27
W59R3 115.85.0.56
W70B NOAM3 146.85.5.4
W70B EMEA3 146.85.5.2
W70B APAC3 146.85.5.3
W80 NOAM3 130.85.5.5
W80 EMEA3 130.85.5.6
W80 APAC3 130.85.5.4
W90 NOAM3 130.85.5.5
W90 EMEA3 130.85.5.6
W90 APAC3 130.85.5.4
AudioCodes Some AudioCodes SIP devices need a provisioning URL setting. Download and install upgrade files for the affected AudioCodes devices at the right. Downloadable files for affected devices at AudioCodes
4051 2.2.8 2.2.16.681
405HD1 3.2.1 2.2.16.681
405HDG1 3.2.1 2.2.16.681
420HD1 3.2.1 2.2.16.681
420HDG1 3.2.1 2.2.16.681
430HD1 3.2.1 2.2.16.681
430HDG1 3.2.1 2.2.16.681
440HD1 3.2.1 2.2.16.681
445HD2 3.2.1 3.4.8.808
445HDG2 3.2.1 3.4.8.808
450HD2 3.2.1 3.4.8.808
C450HD2 3.2.1 3.4.8.808
C448HD2 3.2.1 3.4.8.808
445HD2 3.2.1 3.4.8.808
RX502 3.2.1 3.4.8.808
MP1123 6.60A.367.001 6.60A.367.005 ATA All ports available AudioCodes ATA Setup Guide
MP114-FXS3 6.60A.367.001 6.60A.367.005 ATA 3 out of 4 ports available
MP114-FXS-FXO3 6.60A.367.001 6.60A.367.005 ATA 3 out of 4 ports available
MP118-FXS3 6.60A.367.001 6.60A.367.005 ATA 6 out of 8 ports available
MP118-FXS-FXO3 6.60A.367.001 6.60A.367.005 ATA 6 out of 8 ports available
MP124-FXS3 6.60A.367.001 6.60A.367.005 ATA 18 out of 24 ports available
MP1288-FXS3 7.40A.400.063 7.40A.600.014 ATA All ports available
MP5023 7.26A.356.075 7.26A.356.773 ATA All ports available
MP5043 7.26A.356.075 7.26A.356.773 ATA All ports available
MP5083 7.26A.356.075 7.26A.356.773 ATA All ports available
MP5163 7.26A.356.075 7.26A.356.773 ATA All ports available
MP5243 7.26A.356.075 7.26A.356.773 ATA All ports available
MP5323 7.26A.356.075 7.26A.356.773 ATA All ports available
Spectralink Spectralink Support
72023 PCS22B PCS22D Handset
72123 PCS22B PCS22D Handset
75023 PCS22B PCS22D Handset
75223 PCS22B PCS22D Handset
75323 PCS22B PCS22D Handset
76223 PCS22B PCS22D Handset
76423 PCS22B PCS22D Handset
77223 PCS22B PCS22D Handset
77423 PCS22B PCS22D Handset
S333 PCS23Ca PCS24G Handset
S353 PCS23Ca PCS24G Handset
S373 PCS23Ca PCS24G Handset
IP-DECT Server 4003 PCS22Ab PCS24B IP-DECT Server
IP-DECT Server 65003 PCS22Ab PCS24B IP-DECT Server
Virtual IP-DECT Server One3 PCS22Ab PCS24B IP-DECT Server
IP-DECT Base Station3 PCS22Ab PCS24B IP-DECT Base Station
RFP6 TDM Digital Base Station3 PCS16E_ PCS16E_ DECT Base Station
IP-DECT Gateway3 PCS24Ab PCS24B IP-DECT Gateway
Ascom Ascom Support
Ascom d433 2.11.4 3.0.8 Handset
Ascom d633 2.11.4 3.0.8 Handset
Ascom d813 4.13.1 4.17.3 Handset
Ascom d833 1.3.2 1.5.5 Handset
Ascom i633 5.0.1 5.0.1 VoWiFi Handset
Ascom Myco 3 DECT3 3.4.1 3.4.1 Wireless Handset
IP-DECT Access Point IPBSx3 11.8.8 11.9.11 IP-DECT Access Point
IP-DECT Gateway IPBL3 11.8.8 11.9.11 IP-DECT Gateway
TDM Base Station3 R3N R4B IP-DECT Base Station
IP-DECT Virtual Appliance IPVM3 11.8.8 11.9.11 IP-DECT Server
Gigaset Gigaset Support
N610 IP PRO3 2.52.0 2.52.0 Base Station
N670 IP PRO3 2.52.0 2.52.0 Base Station
N870 IP PRO3 2.52.0 2.52.0 Base Station
N870E IP PRO3 2.52.0 2.52.0 Base Station
N870 VI PRO3 2.52.0 2.52.0 Base Station
Algo Algo Support
8180g23 5.3 5.3 Speaker
81863 5.3 5.3 Speaker
81883 5.3 5.3 Speaker
81893 5.3 5.3 Speaker
81903 5.3 5.3 Speaker
8190s3 5.3 5.3 Speaker
81963 5.3 5.3 Speaker
81983 5.3 5.3 Speaker
8028g23 5.3 5.3 Intercom
80633 5.3 5.3 Intercom
82013 5.3 5.3 Intercom
82033 5.4 5.4 Intercom
8128g23 5.3 5.3 Visual Alerter
81383 5.3 5.3 Visual Alerter
83013 5.3 5.3 Paging Adapter
83733 5.3 5.3 Paging Adapter
83053 5.4 5.4 Paging Adapter
84103 5.3 5.3 Display Speaker
84203 5.3 5.3 Display Speaker
Alcatel-Lucent Enterprise
M33 2.14.03.000.2345 2.14.03.000.2345
M53 2.14.03.000.2345 2.14.03.000.2345
M73 2.14.03.000.2345 2.14.03.000.2345
M83 2.14.05.000.2352 2.14.05.000.2352
Snom
D7173 10.1.141.13 10.1.141.13 IP Phone
D7353 10.1.141.13 10.1.141.13 IP Phone

1 Device supports dynamic location discovery through LLDP with SIP Gateway.

2 Device supports dynamic location discovery with SIP Gateway.

3 Device supports only static location with SIP Gateway.

Note

For Poly devices, LLDP must be turned on at switch level for subnet length based dynamic location discovery.

Note

Compatible Cisco SIP IP phones support dynamic location discovery over LLDP only.

Note

Customers can use AudioCodes OVOC and Poly Lens to manage device side configuration of their AudioCodes 400 series and Poly VVX/Trio devices respectively.

Note

Spectralink Handsets receive firmware updates over the air from Spectralink IP-DECT servers.

Note

Ascom Handsets receive firmware updates over the air from Ascom IP-DECT servers.

Note

Gigaset Handsets receive firmware updates over the air from Gigaset IP-DECT servers. All Gigaset PRO DECT Handset models are compatible with Microsoft Teams SIP Gateway.

Note

For Yealink DECT Base Stations, please use the appropriate region specific firmware version from the list to have the best calling experience.

Note

For support queries, customers using IP-DECT systems with Teams SIP Gateway should reach out to their DECT manufacturer or their implementation channel partners.

Note

For some devices, the minimum firmware version is greater than the approved firmware version. This is because the 3.X version is the Skype for Business version. We update the SIP version which is 2.X.

Note

For support queries, customers using the Algo Solutions' SIP enabled endpoints listed with Teams SIP Gateway should reach out directly to Algo Solutions. General Information on Algo integration with Teams Configuration Guide Troubleshooting Guide

Note

Customers should contact their Tango Extend Reseller for support queries related to Tango Extend eSIM endpoints. Help and Support information are provided in the Tango Extend Teams App.

Emergency Calling - Emergency calling is supported from the Tango Extend eSIM and this uses the Teams number. Teams isn't notified of emergency calls made from the eSIM but will receive returned calls towards the Teams number.

Tango Extend Supported Features - Sign-in/out using Tango Extend Teams App with Teams policy sync, Make/receive calls with hold/resume and DTMF, dial-in to meeting, request to join, voicemail and MWI, Teams DND and Call Forwarding.

Currently Unsupported Features - Sign-out / sign-in currently creates redundant (signed out) entries for the eSIM endpoint in Teams Admin Center. Remote Sign-in from TAC is currently not supported by Tango Extend. Teams mobile client – If users have both Tango Extend eSIM and Teams mobile client on their phones, then inbound calls will prioritize the Teams mobile client. Call transfer – where presented by mobile dialler menu option this isn't supported by Tango Extend.