SRTP

Last Updated : Apr 17, 2026 |
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SRTP is used to encrypt and secure the speech path to and from the phone. You must configure the following parameters on the phones.
Note:
You must configure equivalent parameters in Communication Manager or System Manager.
Parameter Name
Type
Default Value
Description
ENFORCE_SIPS_URI
Numeric
Specifies if a SIPS URI must be used for SRTP.
The valid options are the following:
SDPCAPNEG
Numeric
Specifies if SDP capability negotiation is enabled.
The valid options are the following:
MEDIAENCRYPTION
String
Specifies which media encryption (SRTP) options are supported.3 options can be specified in a comma-separated list. These defined options must match those specified in Avaya Aura®Communication Manager IP-codec-set form.
The valid options are the following:
The list of media encryption options is ordered from high (left) to the low (right) options. The phone publishes this list in the SDP-OFFER or chooses from SDP-OFFER list according to the list order defined by MEDIAENCRYPTION. Avaya Aura® Communication Manager (CM) has the capability to change the list order in the SDP-OFFER (for audio only) when it passes through CM.