Subject: Additional Implementors' guide issue

From: Christian Groves <[email-masked]>
Date: Mon, 13 Nov 2000 23:40:44 +1100

G'Day all,

Another correction has come up. FYI.

8.x Annex C USI Correction

Description:    H.248 Annex C lists tag 9008 as being for the USI. However
the values only represent the User Information Layer 1. The whole USI
value should be supported and the layer 1 protocol.
Reference:      Editor
 [Begin Correction]
Section Annex C.9 Bearer Capabilities
…
layer1prot      9008    5 BITS  User Information Layer 1 Protocol
Reference: ITU Recommendation Q.931
Bits 5 4 3 2 1
00001 - CCITT standardized rate adaption V.110 and X.30.
00010 - Recommendation G.711  u-law
00011 - Recommendation G.711 A-law
00100 - Recommendation G.721 32 kbit/s ADPCM and Recommendation I.460.
00101 - Recommendations H.221 and H.242
00110 - Recommendations H.223 and H.245
00111 - Non-ITU-T standardized rate adaption.
01000 - ITU-T standardized rate adaption V.120.
01001 - CCITT standardized rate adaption X.31 HDLC flag stuffing.
        All other values are reserved.
...

USI     9023    OCTET STRING    User Service Information
Reference ITU Recommendation Q.763 Section 3.57

[End Correction]

Cheers, Christian