Huawei MU509 At Command Interface Specification page 148

HUAWEI MU509 HSDPA LGA Module
AT Command Interface Specification
1: Mobile busy
2: No reply
3: Not reachable
4: All call forwarding (refer 3GPP TS 22.030)
5: All conditional call forwarding (refer 3GPP TS 22.030)
<mode>:
0: Disable call forwarding
1: Enable call forwarding
2: Query status of call forwarding
3: Register and activate call forwarding
4: Erase and deactivate call forwarding
<number>: string type phone number of forwarding address in format specified by
<type>.
<type>: type of address octet in integer format (refer TS 24.008 subclause 10.5.4.7);
the default value is 145 when dialing string includes international access code
character "+", otherwise 129.
<subaddr>: string type subaddress of format specified by <satype>.
<satype>: type of subaddress octet in integer format (refer TS 24.008 subclause
10.5.4.8); the default value is 128.
<class> is a sum of integers each representing a class of information (the default
value is 7):
1: Voice (telephony)
2: Data (refers to all bearer services; with <mode>=2 this may refer only to some
bearer service if TA does not support values 16, 32, 64 and 128).
4: Fax (facsimile services)
8: Short message service
16: Data circuit sync
32: Data circuit async
64: Dedicated packet access
128: Dedicated PAD access
1–255: Combination of some of the above classes. For example, the default setting 7
represents the sum of the integers 1, 2 and 4 (CF for voice, data and fax). The value
255 covers all classes. If the <class> parameter is omitted, the default value 7 is used.
<classx>: same as parameter <class>.
<time>:
1–30: When "no reply" is enabled or queried, this gives the time in seconds to wait
before call is forwarded, the default value is 20.
Issue 04 (2013-01-28)
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Supplementary Service Commands
148