Technical questions

What DTMF types are supported?
RFC 2833 - is our default for all customers. This protocol uses RTP packets with Payload Type = Named Telephony Event (NTE) to transfer DTMF information. Wi...
Wed, 1 Apr, 2020 at 2:02 PM
What codecs are supported for voice?
G711a (alaw) recommended for normal use G729g recommended for poor networks
Wed, 1 Apr, 2020 at 2:09 PM
One-way audio / no sound during calls (SIP ALG)
If you experience lost calls or one-way audio on your phone system (ie, one party can hear the other, but the other party doesn't have audio), the probl...
Mon, 3 Oct, 2022 at 4:33 PM