Poly ATA 400 Series - Device Interface; Phone Settings; Phone Port Signaling and Messaging

Device Interface6
The device provides an FSX Phone port for connecting between your phone and your phone provider.
Your phone provider can be an Internet Telephony Service Provider (ITSP), an Internet Service
Provider (ISP), an analog telco provider, or a mixture of other VoIP providers.
Phone Settings
Configure the settings for making calls from the phone attached to the Phone port of your device or
via the Auto Attendant.
Phone Port Signaling and Messaging
Learn about the input and output signaling and control messages supported on the Phone ports.
The device Phone port can select from the following services to which it can complete a call:
● SP1 Service (SP1)
● SP2 Service (SP2)
● SP3 Service (SP3)
● SP4 Service (SP4)
● PDMS-SP Service (PP1)
The device Phone port supports input signaling and control messages comprising:
● On Hook
● Off Hook
● Hook Flash
● DTMF tones
The device Phone port supports output signaling and control messages comprising:
● Caller ID/CWCID
● MWI
● DTMF tone
Device Interface
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