Description
Push-to-talk (PTT) is a feature found on some communication devices, such as two-way radios and walkie-talkies, that requires the user to press a button in order to transmit their voice. It is often used in situations where multiple people may be sharing the same communication channel and it is important to prevent accidental transmissions or background noise from interfering with communications. PTT is supported in the Grandstream wireless phones WP8XX series.
Provisioning
PTT and Group Paging in WP8XX phones use the Spectralink protocol and are compatible with other brands. The users can configure the PTT feature on WP8XX’s phone menu. Channels 1-25 are under the PTT category, and channels 26-50 are under the Group Paging category. Priority will override the normal channels and Emergency will override all other channels.
Below is the P-values list for PTT:
22183: Multicast address
22177: PTT enable
22178: PTT Ptime
22179: PTT Accept While Busy
22180: PTT Codec
22182: PTT CID
22185: PTT Priority Channel
22186: PTT Emergency Channel
22194: Group enable
22195: Group Ptime
22196: Group Accept While Busy
22197: Group Codec
22198: Group CID
22200: Group Priority Channel
22201: Group Emergency Channel
82001: Channel 1 Available
82002: Channel 1 Transmittable
82003: Channel 1 Subscribe
82004: Channel 1 Joinable
82005: Channel 2 Available
For eg. the PTT Multicast address could be successfully provisioned from the config template by modifying P22183