[Engineering Advisory] Calls from a Polycom® Phones 64:16 MAC Address Prefix
Calls from a Polycom® SoundStation or VVX Phones starting with a 64:16 MAC Address Prefix Fail
NOTE: Other Polycom Phone models utilizing the below mentioned Software Versions with the new MAC address Range may also be affected and should be updated accordingly.
This engineering advisory provides a solution to an issue that causes calls made from Polycom® phones with MAC addresses (also called serial numbers) starting with “64:16:xx:xx:xx:xx” to fail.
About This Issue
The Phones with MAC addresses starting with “64:16” and on specific versions of Polycom UC Software fail to make calls as expected. This issue results from a dependency of a software feature on the MAC address that causes the phone to generate non-unique SIP call-IDs, tags, and branch-ID.
Phones with this issue experience call failures (immediate or partial), registration, and transfer and hold problems.
Identifying Affected Phones
This issue is observed on Phones with MAC addresses ranging from 64167f050000 to 64167F0538CF AND running one the following Polycom UC Software GA or patched versions
To see if your phone has the issue, check if your phone has a MAC Address in the identified range and ifit is running an affected Polycom UC Software version.
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