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18.1.7. Secure SIP Connections Previous topic Parent topic Child topic Next topic

Restrictions:

  • Payload encryption with SDES is not supported on the STMI board.
  • Payload encryption with MIKEY is only supported on SIP-Q trunks.
The security settings that are possible depending on the connection type and gateway type. They are listed in the next table:

Table 85. Possible encryption depending on the connection type and gateway

Security
STMI board
vHG 3500/STMIX/STMIY
SIP Subscriber
 
Signaling encryption
---
---
   
TLS
ok
ok
 
Payload encryption
---
---
   
SRTP with MIKEY - Key Management
---
---
   
SRTP with SDES - Key Exchange
---
ok
SIP-Q Trunk
 
Signaling encryption
   
   
TLS
ok
ok
 
Payload encryption
   
   
SRTP with MIKEY - Key Management
ok
ok
   
SRTP with SDES - Key Exchange
---
ok
Native SIP Trunk
 
Signaling encryption
   
   
TLS
ok
ok
 
Payload encryption
   
   
SRTP with MIKEY - Key Management
---
---
   
SRTP with SDES - Key Exchange
---
ok