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OMTP VISUAL VOICEMAIL INTERFACE SPECIFICATION v1.2
The maximum length for system originated SMS messages is 160 characters
for 7bit encoding and 140 characters for 8bit encoding. It is recommended not
to exceed the maximum SMS message length.
If the SMS message exceeds the maximum message length, both the
operator’s SMSC and the client must support SMS concatenation.
For more details about system originated SMS messages, see System
Originated SMS Message Characteristics.
8.1.1. SYNC SMS Description (System Originated)
SYNC SMS messages are sent from the system to the client, to notify the
client that the status of a message or greeting in the mailbox may have
changed. A SYNC SMS message will be sent when:
A new message has been deposited to the subscriber’s
mailbox
Additionally a SYNC SMS may be sent when one or more of the following
events occur:
Message purge due to retention time
TUI session logout
Greeting changed via the TUI, including a personalised
greeting or VS recorded or deleted
In the SYNC SMS message, both the Client prefix and Prefix fields are
followed by a colon (:), and all other fields are followed by semicolons (;).
Each field is represented by the field name, an equal sign (=), and a legal
value. Spaces are not allowed between parameters, although the parameter
values may include spaces.
For details about SYNC SMS notification messages see SYNC SMS Field
Reference and SYNC SMS Notification Examples.
8.1.2. SYNC SMS Field Reference
The following fields are used in SYNC SMS text that is sent to the VVM client:
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