Google Voice API
hanks to the post inhttp://posttopic.com/topic/google-voice-add-on-development it should be easy to develop applications that use Google Voice platform. The API is a simple REST API that POSTs requests to the Google Voice portal:
Placing Calls:
POST /voice/call/connect/ outgoingNumber=[number to call]&forwardingNumber=[forwarding number]&subscriberNumber=undefined&remember=0&_rnr_se=[pull from page]
Canceling Calls:
POST /voice/call/cancel/ outgoingNumber=undefined&forwardingNumber=undefined&cancelType=C2C&_rnr_se=[pull from page]
Sending an SMS:
POST /voice/sms/send/ id=&phoneNumber=[number to text]&text=[URL Encoded message]&_rnr_se=[pull from page]
Inbox XML:
https://www.google.com/voice/inbox/recent/inbox/
Starred Calls XML:
https://www.google.com/voice/inbox/recent/starred/
All Calls XML:
https://www.google.com/voice/inbox/recent/all/
Spam XML:
https://www.google.com/voice/inbox/recent/spam/
Trash XML:
https://www.google.com/voice/inbox/recent/trash/
Voicemail XML:
https://www.google.com/voice/inbox/recent/voicemail/
SMS XML:
https://www.google.com/voice/inbox/recent/sms/
Recorded Calls XML:
https://www.google.com/voice/inbox/recent/recorded/
Placed Calls XML:
https://www.google.com/voice/inbox/recent/placed/
Received Calls XML:
https://www.google.com/voice/inbox/recent/received/
Missed Calls XML:
https://www.google.com/voice/inbox/recent/missed/
转自：http://adriel.dynalias.com/blog/?p=252