https://api.voicetel.com/groupsms/[destination_number]-[dst_#2]-[dst_#3]/[caller_number]/[message]/[api_key]/
RESTful GET Request
Property Description
[destination_number] Multiple Destination Numbers in NPANXXXXXX format and separated by a dash
[caller_number] VoiceTel Phone Number (DID) in NPANXXXXXX format
[message] URL Encoded plain text SMS message - Max length 160 characters
[api_key] Your API Key
JSON Response
Property Description
Status REST Response
Message Detailed Response Message

Group SMS is intended for use with multiple destination numbers. Please use SMS for a single destination number.