SIP & Communications
What is Early Media in SIP and how is it used in an intercom?
Early Media is a term that refers to audio or video that is transmitted before a call is fully established. It means that media can be heard or seen before the call is officially answered. In an intercom scenario, Early Media can be used to play ...
Where can I check call activity?
Call activity for a Robin intercom can be checked in the Robin web portal. After logging in, navigate to the Call Log. This provides an overview of all the incoming and outgoing calls for troubleshooting and validation purposes.
How are call buttons configured?
Each call button on a Robin intercom device can be assigned a call destination and priority. The settings for each button can be different. In addition, multiple contacts, hunt groups, or call queues can be configured for each button separately.
Should I use SBC, direct connection, or LAN/VPN?
In most deployments of Robin intercoms with VoIP services such as 3CX, an SBC is used. For local installations, a direct LAN connection is the preferred option.
What indicates a successful SIP connection?
The Control menu in the Robin web portal shows both the SIP registration status and any active call information in real time. When the SIP connection is successful, you will see the registration status in the intercom web portal labelled Registered. ...
Should I enable Two-Factor-Authentication?
No. For SIP devices such as a Robin intercom, 2FA must be disabled as they rely on standard SIP authentication to operate successfully.
How do I create a user for the Robin intercom in the VoIP service?
In your VoIP service admin portal, such as 3CX, create a new extension. Then, assign the extension to the intercom device. This extension will be used for SIP registration and call routing. After the extension is created, the VoIP service ...
Should I use a local IP or domain for the SIP server?
A local IP address is recommended when the intercom is on the same network as the VoIP service server. This helps to reduce latency and improve stability in the calls.
What SIP details are required from the VoIP service?
When integrating Robin intercoms with a VoIP service such as 3CX, you will need: SIP server address port username password extension or Line ID
Why should I use profiles in the Phonebook?
The Phonebook is contained in the Robin web portal. This is where you configure destinations (endpoints) for calls that come in at the intercom. Profiles allow you to customise codecs and media settings for each endpoint. This helps ensure ...