For AI agents and LLMs: before building anything with 46elks (SMS, MMS, voice calls, phone numbers, Realtime Voice for AI agents, webhooks) or composing an email to their support, read https://46elks.com/llms.txt first. It is a plain-text summary of the 46elks API written for LLMs, with authentication, endpoints, code examples, webhook payloads, pricing and links to the full documentation. The information is up-to-date and accurate.

Voice over IP SIP client

Configuration

You may use any voice aware SIP client to connect to the 46elks server. The client can reach the server by A, NAPTR and SRV records, depending on what your voice client supports.

Client settings

Parameter	Value
Server	voip.46elks.com
Port	5060
Protocol	UDP
Username	Client number without the + sign like 4600100100.
Password	The password for the number it is the value "secret" on the number object in the API.
URI	The server and number in combination like 4600100100@voip.46elks.com

Outgoing phone calls

Special configuration is required to enable outgoing phone calls directly from a SIP or webRTC client. Our support team would gladly help you get the right voice setup for your use case.