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SIP calls

Inbound and outbound calls on SIP trunks

Shared capacity for inbound calls on SIP trunk

The amount of concurrent inbound calls that your SIP trunk can handle is defined by the SIP trunk plan you…

Capacity limitations on outbound calls

The amount of concurrent outbound calls is not restricted by your SIP trunk. There is however a separate safety limitation…

Caller ID (CLI) on outbound SIP calls

Showing your phone number (CLI) to the person you are calling is critical if you want to get high answer…

Quality of Service on SIP calls

Having a high quality of service (QoS) on inbound and outbound SIP calls is critical for your business. Poor quality…

Audio Codecs

By default, SIP calls will be presented to your SIP servers with the G.711 audio codec as the suggested default….

DTMF – touch tone – in SIP calls

DTMF – or touch tone digits – entered by your users or by the callers on their keypad during the…

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