Polycom IP 320 Administrator's Manual page 205

Digit map extension letter "R" indicates that certain matched strings are
replaced. Digit map timer letter "T" indicates a timer expiry. Digit map
protocol letters "S" and "H" indicate the protocol to use when placing a call.
The following examples shows the semantics of the syntax:
• R9RRxxxxxxx—Remove 9 at the beginning of the dialed number
— For example, if a customer dials 914539400, the first 9 is removed
when the call is placed.
• RR604Rxxxxxxx—Prepend 604 to all seven digit numbers
— For example, if a customer dials 4539400, 604 is added to the front of
the number, so a call to 6044539400 is placed.
• R9R604Rxxxxxxx—Replaces 9 with 604
• R999R911R—Convert 999 to 911
• xxR601R600Rxx—When applied on 1160122 gives 1160022
• xR60xR600Rxxxxxxx—Any 60x will be replaced with 600 in the middle of
the dialed number that matches
— For example, if a customer dials 16092345678, a call is placed to
16002345678.
• 911xxx.T— A period (".") which matches an arbitrary number, including
zero, of occurrences of the preceding construct
— For example:
911123 with waiting time to comply with T is a match
9111234 with waiting time to comply with T is a match
91112345 with waiting time to comply with T is a match
and the number can grow indefinitely given that pressing the next
digit takes less than T.
• 0xxxS|33xxH—All four digit numbers starting with a 0 are placed using
the SIP protocol, whereas all four digit numbers starting with 33 are
placed using the H.323 protocol.
Only Polycom VVX 1500 phones will match the "H". It is ignored by all other phones
Note
and the user will need to press the Send soft key to complete dialing. For example,
if the digit map is "33xxH", the result is as follows:
• If a Polycom VVX 1500 user dials "3302" on an H.323 or dual protocol line, the
call will be placed after the user dials the last digit.
• If a SoundPoint IP 650 user dials "3307", the user must press the Send soft key
to complete dialing.
The following guidelines should be noted:
• The letters (x, T, R, S, H) are case sensitive.
• You must use only *, #, +, or 0-9 between second and third R
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