Greystone Telecom - 21st Century Communications
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SIP trunks

SIP Trunks

Voice termination of IP Telephony (IPT) / VoIP PBX calls

We can terminate your VoIP calls using your existing connection (leased line / xDSL) converged for voice & data or a dedicated connection for your VoIP calls. However we strongly suggest you use our connectivity solutions which utilise MPLS networks and a low number of hops for QoS.

Key features:

  • Lower call costs
  • FREE site-to-site calls
  • Lower connection and rental costs than ISDN
  • Faster provisioning timescales than ISDN
  • Scaleable on a per channel basis
  • Full emergency services support

Costs breakdown:

    Setup charges:connection / set up£95
    DDI set up£1 per DDI (block of 10)
    Call Divert Set Up (for failover)£15
     
    Monthly Rentals:SIP Trunks£5 per channel per month
    DDI30p per DDI
    Call Divert Rental£3.30
    Call chargesLocal/National1p
    Mobiles8.99p

Company details
Company
Address1
Town/City
Postcode
Phone
Fax
Your details
Name
Position
E-mail
SIP details
Number of channels
Number of DDIs
(remember 10 DDIs per geographic dial code, specify allocation breakdown below. any geographic dial code can be selected.)
Dial codes
Site details
PBX make & model
Connectivity

All our connections have QoS (Quality of Service) for priority of Voice calls. Please note we cannot guarantee QoS if you use your existing Internet connection.

Installation address (if different)
Address1
Postcode
Additional comments/instructions

For further information please call us on 0845 365 0500 to speak to a member of our sales team.

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