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SIP Trunking

Is the CM Voice platform geo redundant?
Can I have multiple SIP Trunks?
What are CC and CPS limits, and what they used for?
How do I authenticate when setting up calls through a CM SIP Trunk?
Can I still connect when my system does not support REGISTER or DIGEST AUTH?
What is a CLI?
Do I always have to send a valid CLI with a call?
Can I use a mobile number as CLI?
What phone number formats are supported?
How do I send calls anonymously?
Which audio codecs are supported?
Which session interval timer should I use?
Why and when is a SIP account banned?
Are calls supported via UDP & TCP?
Is the T.38 Fax protocol supported

Rules & regulations for making outgoing calls

Australia (+61)
China (+86)
Hong Kong (+852)
Japan(+81)
New Zealand (+64)
South Africa (+27)
United Arabic Emirates (+971)

Call rates and billing

Which calls are surcharged with special rates?
How is SIP Trunking billed?
How are calls to premium numbers billed?
How are calls to EU countries with a non-EU CLI billed?

Call Detail Records & Analytics

How do I get access to the Voice Analytics?
What is a CDR, and where can I get it?
If I have multiple SIP trunks, how can I identify them on my CDR?

Phone Numbers

How do I order a new DDI number?
How do I configure a DDI for incoming calls?
Can I port my existing numbers to CM?
Request process NL 088 and 0800 numbers
Why are incoming calls to my numbers not working?

Voice Management app

How to blacklist or whitelist destinations
How to create a SIP account
How to request new numbers
How to retrieve CDR’s
How to configure a back-up trunk

Voice API

How do I get access to the Voice API?
Does the Voice API have Voicemail/Answering machine detection?

Voice Campaigns

In what format should I add the recipient's phone numbers?
How do I send a voice campaign?
Any tips & tricks to optimize my campaign?
How do I check the results of my campaign?
How do I schedule a campaign?
How do I edit a scheduled campaign?
What is the cost of a voice message?
Can I manage my previously uploaded audio file?
Can I use my SMS prepaid credit to send a voice campaign?
Which audio formats are supported?

PBX config templates

Asterisk PBX
Freeswitch PBX