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Release Notes - SIP Application Changes
Copyright © 2007 Polycom, Inc. Page 5
2.2.3 Corrections
• 36557: When SRTP is enabled and “so” logging level is set to 1, the RTCP
sender report displays encrypted values in the log file
• 37651: RTP Timestamp not updated correctly for silence packets
• 37690: Phone does not retry ACK when receiving duplicate 200 OK
• 37708: Phones fail SIP TLS registration when SNTP server is not configured
• 37851: SRTP phone doesn't include Crypto Suite in Group Pickup signaling
• 37873: Crypto line in answer does not have correct tag field
• 37878: Multiple crypto suites not handled when there is a re-INVITE
• 37879: SRTCP packets have invalid authentication tags
• 37968: Phone with multiple lines using TLS not re-registering on loss of
connection
• 38110: Far end hears noise when an SRTP call is taken off hold with some SIP
servers
• 38249: SRTP lifetime value cannot be parsed correctly by the called party
• 38384: During a local SRTP conference, a far end holding then resuming may
result in one-way audio or noise with some SIP servers
2.2.4 Configuration File Parameter Changes
.cfg File Action Parameter Description
sip added sec.srtp.offer.HMAC_SHA1_80 If set to 1 or Null, a crypto line with
the AES_CM_128_HMAC_SHA1_80
crypto-suite will be included in offered
SDP.
If set to 0, the crypto line is not
included.
sip added sec.srtp.offer.HMAC_SHA1_32 If set to 1, a crypto line with the
AES_CM_128_HMAC_SHA1_32
crypto-suite will be included in offered
SDP.
If set to 0 or Null, the crypto line is not
included.
2.3 Version 2.2.0
2.3.1 Added or Changed Features
• 22532: When there has been no activity in a menu for a configurable period of
time, the phone returns to the idle display. This does not happen if the user is
entering data using a menu.
• 25274: Added sending vendor identifier information through DHCP
• 25702: Added microbrowser support for accepting and displaying a URL that
points directly to a BMP image (previously it was necessary to embed BMP
images in an XHTML document)