Riedel's IPx interfaces, act as a SIP client for their intercom SmartPanels. They support the Opus audio codec, and can be used with the sip.audio service.

CONFIGURATION:

• On your computer, load the Riedel device configuration software.
• From the menu, click Configuration, choose the device, and click Configuration in the submenu.
• In the new window that appears, select Operation Settings and SIP Server from the left-hand menu, and configure as follows...
• Label: sip.audio
  SIP Server: proxy.sip.audio
  Backup SIP Server: proxy2.sip.audio
  (you can also assign a LAN interface for each server)
  STUN: Check this box if your NAT setup requires the use of STUN.
  Transport: UDP
  Registration Timeout: 60 s
  International Prefix: +
  Click OK
• Select Line Interface from the left-hand menu, and configure as follows...
• Line Mode: IP
• For each line (Line1, Line 2 etc)...
  Line Mode: SIP
  SIP Server: sip.audio
  User Name: Your sip.audio Username (e.g. gallery.riedel1 for gallery.riedel1@sip.audio)
  User Authentication: (as above e.g. gallery.riedel1)
  Password: (the password for your Username)
  DTMF Tx: RFC 2833
  Local Port: 5061 (5062 for line 2, etc)
  Coding: Opus
  Click OK
• Repeat these steps for each line / sip.audio Username

MAKING A CALL

Dial other sip.audio Usernames using just the first part of the SIP address e.g. john.smith for john.smith@sip.audio

Entering full SIP addresses will bypass the sip.audio proxy. To work around this limitation, Zoom and Chime SIP endpoints can be called via a Shortcut.