Secure Call Implementation; Enable Secure Calls - Cisco WRP500 Administration Manual

Secure Call Implementation

R E V I E W D R A F T # 1 — C I S C O C O N F I D E N T I A L
Secure Call Implementation
This section describes secure call implementation with the WRP500 . It includes the following topics:
•
This is an advanced topic meant for experience installers. Also see the Provisioning Guide at the
Note
following URL:
www.cisco.com/en/US/docs/voice_ip_comm/csbpvga/ata/provisioning/guide/Cisco_Small_Business_I
P_Telephony_Provisioning_Guide.pdf

Enable Secure Calls

WRP500 does not support establishing secure call by "mini certificate" as WRP400 did. The only way
to enable a secure call requires use of SRTP, while the SRTP key parameters are transferred in SIP
messages that are encrypted by TLS.
To enable SRTP on Line 1:
•
•
To enable SIP over TLS on Line:
•
Cisco WRP500 Administration Guide
3-18
"Enable Secure Calls" section on page 3-18
-Voice > Line 1 > Secure Call Serv, set to Yes
-Voice > User 1 > Secure Call Setting, set to Yes
-Voice > Line 1 > SIP Tranport, set to TLS
Chapter 3 Configure Voice Services