For the enterprise with a premise-based phone system that wants the advanced features available with Voice over IP (VoIP), iPBX SIP Trunking offers an ideal solution. iPBX SIP Trunking sends the voice traffic from the current phone system over the same Internet connection used for data. In addition, the service provides VoIP features such as bundled usage, extension dialing between sites, and support for remote users. Add capacity as needed, or transition to DSCI's hosted iPBX service one department at a time or all at once. iPBX SIP Trunking is flexible enough to respond to whatever a business needs.

• iPBX SIP Trunking basic package includes:
  -  6 trunk call capacity;
  -  Caller ID/Caller ID with Name;
  -  Direct Trunk Overflow (DTO) (incoming calls route to another number when trunk group is busy or out of service);
  -  3,000 minutes of domestic USA/Canadian usage;
  -  Integrated Access Device (IAD) for PRI/CAS (provided by DSCI).
   
• Call capacity can burst up to 25% above commitment.
   
• Additional trunk call capacity and bundled minutes can be added as required.
   
• Available as stand-alone service over existing Internet connection or coupled with DSCI Dedicated Internet Access or MPLS service.
   
• Enterprise trunk group add-on features include auto attendant, hunt group, and call recording.
   
• User add-on features include Bria Softphone and iPBX Anywhere.