GismoTel is committed to providing our customers the best service possible using the resources available in this website, and through our friendly customer support staff of technicians.

The following configuration guides cover the most popular VoIP & Internet Telephony products.

Find a quick and easy way in order to install, configure, register in the GismoTel network, and start using your Softphone, ATA, IP Phone, or IP PBX just in minutes following our step-by-step guidelines.

 Default settings information 
Default SIP settings (which works in most cases if you do not find your voip phone, ATA etc)

 IP PABX / IP Telephone 
  • Configuration 3CX Phone System for Windows V5 (pdf file)
         (support through 3CX forum & through 3CX support department)
  • Configuration Cisco Call Manager Express (v3.3 and higher)
  • Configuration NEC Aspire IP-PBX (pdf file)
  • Configuration Asterisk
  •  ATA / VoIP gateways 
  • Configuration Sipura / LinkSys SPA-2000
  • Configuration Grandstream Handytone 486
  • Configuration LinkSys SPA8000 (8 ports FXS gateway) - (pdf file)
  • Configuration Cisco / LinkSys PAP2
  •  IP Telephones  
  • Configuration Siemens C450 IP (DECT / VoIP telephone)
  • Configuration LinkSys SPA941 / 922 / 942 IP Telephone (pdf file)
  • Configuration Cisco 7940 / 79xx IP telephones (with a SIP image loaded)
  •  ADSL modem /routers with VoIP  
  • Configuration g729 on SpeedTouch ST780-WL
  • Configuration DrayTek 2600V
  •  Softphones + Smartphones 
  • Download GismoTel SoftPhone - click here
  • Configuration GismoTel SoftPhone
  • Configuration Fring SIP client for GSM SmartPhones
  • Configuration SIP client for Nokia E61, N80 and N95
  •  CallShop 
  • Configuration GismoTel Callshop solution (pdf file)
  • Download GismoTel Callshop software free - click here
  •  Other information  
  • FAQ
  • Network status
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