ZyXEL Communications P-202 - Manual (Page 408)

P-202H Plus v2 Support Notes
91 Invalid transit network selection
95 Invalid message, unspecified
Protocol Error (e.g., unknown message) Class
96 Mandatory information element is missing
97 Message type non-existent or not implemented
98
Message not compatible with call state or message type
non-existent or not implemented
99 Information element non-existent or not implemented
100 Invliad information element contents
101 Message not compatible with call state
102 Recovery on timer expiry
111 Protocol error, unspecified
Interworking Class
127 Interworking unspecified
2. PPP Numbers
POINT-TO-POINT PROTOCOL FIELD ASSIGNMENTS
PPP DLL PROTOCOL NUMBERS
The Point-to-Point Protocol (PPP) Data Link Layer [146,147,175] contains a 16
bit Protocol field to identify the encapsulated protocol. The Protocol field is
consistent with the ISO 3309 (HDLC) extension mechanism for Address fields.
All Protocols MUST be assigned such that the least significant bit of the most
significant octet equals "0", and the least significant bit of the least significant
octet equals "1".
• Network Layer Numbers
Value (in hex) Protocol Name
---------------------------------------------------------------------
0001 Padding Protocol
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