Poly ATA 400 Series User Manual

Configuring Call Settings5
Configure call settings.
Configuring Secure RTP
Configure your phone to use secure RTP for encrypted audio.
Enable Secure RTP
Enable secure RTP for encrypted audio.
1. In the system web interface, go to Voice Services > SP N Service.
2. Under Calling Features, in the Value column, select the desired value for X_SRTP:
● Disable SRTP = No encryption
● Use SRTP Only = Require SRTP
● Use SRTP When Possible = SRTP is optional
3. Select Submit.
4. Restart your system when you complete your changes.
Configure the Cryptographic Parameters for Secure RTP
Configure the cryptographic parameters for the secure RTP stream.
1. In the system web interface, go to Voice Services > SP N Service.
2. Under Calling Features, in the Value column, enter the desired cryptographic parameters in a
comma-separate list for X_SRTPCryptos:
● AES_CM_128_HMAC_SHA1_32
● AES_CM_128_HMAC_SHA1_80
● AES_CM_192_HMAC_SHA1_32
● AES_CM_192_HMAC_SHA1_80
● AES_CM_256_HMAC_SHA1_32
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Chapter 5Configuring Call Settings

Poly ATA 400 Series Specifications

General

Brand	Poly
Model	ATA 400 Series
Category	Adapter
Language	English