Configure the sbc Sip Signaling

Configure the SIP Signaling Interface for teams

  • goto Setup > Signaling and Media > Core Entities > SIP Interfaces
parameter Value
Name Teams (arbitrary)
Network Interface #1 [WAN]
UDP port 0 (Not used for MS Phone System)
TCP Port 0 (Not used for MS Phone System)
TLS Port 5068 (arbitrary)
Enable TCP Keepalive Enable
Media Realm [Teams]
TLS Context Name [Teams]
TLS Mutual Authentication Enable
Classification Failure Response Type 0 (Recommended to prevent DoS attacks)
parameter Value
Name SIP Trunk (arbitrary)
Network Interface #1 [WAN]
UDP port 5061
TCP Port 0
TLS Port 0
Enable TCP Keepalive Enable
Media Realm [ITSP]

Configure Proxy Sets

  • goto Setup > Signaling and Media > Core Entities > Proxy Sets
Parameter Value  
Index 1
Name Teams – Global FQDNs (arbitrary)
SBC IPv4 SIP Interface [Teams]
TLS Context Name [Teams]
Proxy Keep Alive Using OPTIONS
Proxy Hot Swap Enable
Proxy Load Balancing Method Random Weights
DNS Resolve Method SRV

Configure Proxy Sets Teams

  • goto Setup > Signaling and Media > Core Entities > Proxy Sets > Select Teams Proxy Set
  • select Proxy Address
Parameter Value
Proxy Address teams.local
Transport Type TLS

Configure a Coder Group

  • Setup > Signaling and Media > Coders and Profiles> Coder Groups
  • Create a Group
Coder Name Packetization Time Rate Payload Type Silense Suppression Coder Specific
SILK-NB 20 8 103 N/A  
SILK-WB 20 16 104 N/A  
G.711A-law 20 64 8 Disabled  
G.711U-law 20 64 0 Disabled  
G.729 20 8 18 Disabled  

Configure the IP Profile

  • goto Setup > Signaling and Media > Coders and Profiles > IP Profiles
Parameter Value
Name Teams (arbitrary)
Remote re-INVITE Supported only with SDP
Remote Delayed Offer Support Not supported
Remote REFER Mode Handle locally
SBC Media Security Mode SRTP
SBC Media Security Method DTLS
Extension Coders Group Audio_Coders_Groups_1
ICE Mode Lite (Required only if Teams is configured with Media Bypass)

Configure an IP Group

  • goto Setup > Signaling and Media > Core Entities > IP Group
Parameter Value
Name Teams Global FQDN (arbitrary)
Proxy Set [Teams Global FQDN]
IP Profile [Teams]
Media Realm [Teams]
SBC Operation Mode B2BUA
Classify By Proxy Set Disable
Local Host Name
Always Use Src Address Yes
DTLS Context [Teams]