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What is the recommended firmware for 8x8 phones and analog adapters?
8x8 Support

What is the recommended firmware for 8x8 phones and analog adapters?

Applies To 

  • Phone Settings
  • Firmware

Answer

The tables below list the latest certified and recommended firmware versions for devices used with 8x8. This list is actively updated as new firmware revisions are certified and released for general availability within 8x8. 

Newer updated firmware may work with the 8x8 system if used, however, if the firmware has not been certified for use there may be issues that 8x8 will be unable to solve without downgrading the affected devices to a firmware certified for use.

Recommended Firmware for 8x8 Phones

Brand Model Device Type Recommended Firmware
Cisco 7811 IP Phone sip78xx.11-2-1MES-3.loads
Cisco 7821 IP Phone sip78xx.11-2-1MES-3.loads
Cisco 8841 IP Phone sip88xx.11-2-1MES-3.loads
Cisco 8861 IP Phone sip88xx.11-2-1MES-3.loads
Cisco SPA 303 IP Phone 7.5.7
Cisco SPA 504G IP Phone 7.5.7
Panasonic KX-TGP600 DECT Cordless IP Phone

09.006

Polycom VVX 101 IP Phone 5.9.4.3247
Polycom VVX 150 IP Phone 5.9.4.3247
Polycom VVX 201 IP Phone 5.9.4.3247
Polycom VVX 300 IP Phone 5.9.4.3247
Polycom VVX 301 IP Phone 5.9.4.3247
Polycom VVX 310 IP Phone 5.9.4.3247
Polycom VVX 311 IP Phone 5.9.4.3247
Polycom VVX 401 IP Phone 5.9.4.3247
Polycom VVX 410 IP Phone 5.9.4.3247
Polycom VVX 411 IP Phone 5.9.4.3247
Polycom VVX 501 IP Phone 5.9.4.3247
Polycom VVX 601 IP Phone 5.9.4.3247
Poly VVX 230 Cordless IP Phone VVX-D230-7-0-1-7251-2019-12-31.fw
Polycom IP 5000 Conference Phone 4.0.14.0987
Polycom IP 6000 Conference Phone 4.0.14.0987
Polycom IP 7000 Conference Phone 4.0.14.0987
Polycom RealPresence Trio Conference Phone 5.8.0.15232
Poly  D230 DECT 7.0.1.7251
Yealink T41P/G IP Phone 36.80.0.147.rom
Yealink T42G IP Phone 29.80.0.147.rom
Yealink T46G IP Phone 28.80.0.147.rom
Yealink T48G IP Phone 35.80.0.147.rom
Yealink T49G IP Phone 51.80.0.147.rom
Yealink Yealink W52p DECT Cordless IP Phone

W52H-Handset-26.73.0.78.rom

W52P-Base-25.73.0.78.rom

Yealink T41S IP Phone 66.81.0.123.rom
Yealink T42S IP Phone 66.81.0.123.rom
Yealink T46S IP Phone 66.81.0.123.rom
Yealink T48S IP Phone 66.81.0.123.rom
Yealink CP860 Conference Phone 37.80.0.14.rom

Recommended Firmware for AudioCodes and ATAs

Model Recommended Firmware
MP-112 6.60A.332.002
MP-114 6.60A.332.002
MP-118 6.60A.332.002
MP-124 6.60A.332.002
Obi300 OBi30x-3-1-2-5896.fw
Obi508 OBi500-4-0-4-5793.fw

Recommended Firmware for Compatible Devices 

These devices are compatible with 8x8 services but are not sold by 8x8.

Brand Model Device Type Recommended Firmware
Aastra 6753i IP Phone 2.6.0.2019
Aastra 6755i IP Phone 2.6.0.2019
Aastra 6757i IP Phone 2.6.0.2019
Cisco SPA 525G2 IP Phone 7.5.7
Polycom VVX 1500D IP Video Phone 4.0.10.0689
Polycom IP 335 IP Phone 4.0.14.1824
Polycom IP 550 IP Phone 4.0.14.1824
Polycom IP 670 IP Phone 4.0.14.1824
Polycom HDX 4000 IP Video Phone 3.0.1.x
Polycom HDX 4001 IP Video Phone 3.0.1.x
Polycom HDX 4002 IP Video Phone 3.0.1.x
Polycom HDX 6000 IP Video Phone 3.0.1.x
Polycom HDX 7000 IP Video Phone 3.0.1.x
Polycom HDX 8000 IP Video Phone 3.0.1.x
Polycom HDX 9000 IP Video Phone 3.0.1.x
Yealink T23P/G IP Phone 44.80.0.101
Yealink CP860 Conference Phone 37.80.0.14.rom
Yealink CP920 Conference Phone 78.81.0.109.rom
Yealink CP960 Conference Phone 73.80.0.46.rom
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