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Voice Services

ISDN PRI
When choosing your capacity requirements for an ISDN PRI service, you should allow for 100kbps of bandwidth per concurrent ISDN Channel (or per concurrent call). AAPT suggests a 4 to 1 ratio of Users to Channels” (eg. an office of 40 people would require approximately 10 ISDN Channels).

Rebill Included Value Plans
For information on how to choose a Rebill Included Value Plan that best meets your usage requirements, click on a plan link below.

Rebill - PSTN (Single Line)
ISDN BRI (2 Channels)
ISDN PRI 10
ISDN PRI 20
ISDN PRI 30

SIP Focus/SIP Voice
When choosing your capacity requirements for a SIP Focus/SIP Voice service, you should allow for 100kbps of bandwidth per concurrent SIP Session (or per concurrent call). AAPT suggests a 4 to 1 ratio of Users to Channels” (eg. an office of 40 people would require approximately 10 SIP Sessions).

SIP Focus Included Value Plans
For information on how to choose the SIP Focus Included Value Plan that best meets your usage needs, click on a plan link below.

SIP Focus 5
SIP Focus 10
SIP Focus 15
SIP Focus 20