AASTRA 53i 发行公告

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Sylantro Interoperability Features
48
RN-001029-00, Rev 03, Release 2.1 
IP Phone Release Notes 2.1
To use this format with the default dial plan terminator (#), the # sign 
required by Sylantro as a delimiter should be represented as an escaped 
character by using the sequence %23. The speed dial format for an 
external number that includes an optional billing code becomes:
*50<billing code>%23<phone number> 
Numbers Not Requiring Billing Codes
Billing codes are not required for the following two types of calls:
Emergency calls (E911)
Calls between extensions