Whatever your needs, Comsource has a cost-effective business phone plan suited to you – from single lines to 100s of lines.
Business SIP Trunks
Use SIP technology to send and receive your calls over the internet - more cost effective than PSTN or ISDN and instantly flexible, perfect for businesses with multiple sites. more info
Otherwise known as a traditional phone line, delivering your voice calls, fax calls and always necessary for the supply of ADSL2+. more info