IVR: maximum channels on the TMG800/TMP800
From TBwiki
What is the maximum number of IVR channels supported by the TMG800 and TMP800?
The maximum number of IVR channels supported is 512. The TMG800 and TMP800 units are equipped with one DSP chip providing for a maximum of 512 channels. Supporting more than 256 IVR channels can be useful in conferencing applications for example. Recall however that the maximum number of TDM channels is 256.