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Service Features

dtlvoip hosted package comes with long list of features which are difficult to fit on one page. Becoming customer of dtlvoip you receive list of features, including, but not limited to:

  • Instant signup procedure, with account generated in a minute
  • Full Managed servers
  • Free Routing and unlimited Carriers of your choice
  • Your unique dedicated IP address
  • Access to members area with 24/7 support ticket system
  • Free 14 days trial, with no minimum commitment monthly renewable contract
  • Full access to all system interfaces
  • Flexible payment methods, online, and offline of your choice

General Switch and Billing Features

  • Prepaid/postpaid multilevel Reseller, whitelabel branding billing
  • Runs on High-availability scalable UNIX/LINUX platform
  • SIP proxy and Registrar for retail and wholesale
  • H.323 gatekeeper for wholesale (on request)
  • SIP to H.323 conversion (on request)
  • Codec trans-coding: G.729a, G.723, G.711, GSM, iLBC, Speex
  • Multiple Reseller levels
  • Web based access for all levels, including enduser
  • Unlimited number of accounts, PINs, rate tables
  • Unlimited number of Carriers
  • Callshop operators interface
  • End users access interface
  • Wholesale carriers/partners interface
  • DID number support
  • IVR for calling card support
  • ANI (DID) based callback
  • Web based callback (web page button)
  • SMS callback
  • Active Calls display
  • System activity Reports, troubleshooting tools

Retail Account Management

  • Account authentication by username/password, ANI (calling number) or IP address
  • Assignment of reseller
  • Preset initial credit and currency
  • Different Account expiration types (fixed date or fixed number of days after first use)
  • Assign multiple rate tables (via product mapping)
  • Assign one or multiple Recurring services, e.g. monthly or other fees (via product mapping)
  • Assign multiple sub-accounts (aliases)
  • Location profile to ensure shortened dialing within country
  • Setting of IVR language and IVR options
  • Extensive Account info page (address, contacts, email, etc)

Wholesale Account (Carrier) Management

  • Authenticaion by IP address or IP address range (subnet) or IP + prefix
  • Multiple accounts per Carrier
  • Option to register with remote SIP Carrier (multiple registrations simultaneously)
  • Registration status report
  • Web access username and password of Carrier
  • Multicurrency

Batch PIN Management

  • Calling Card PIN Generation
  • PIN activation /de-activation (single and batch)
  • Different PIN length, prefix (initial digits), optional password for PIN
  • Manual or bulk recharge of PIN or batch of PINs
  • PIN upload from text file


  • Payment history report
  • Invoices and corresponding CDR reports
  • Reports on Payments received during a period
  • ASR / ACD reports: total, by carrier, IP (hourly, daily)
  • Call Disconnect Cause Reports
  • Real time balance reporting

Rating and Billing Management

  • Unlimited rate tables in the system with ability to universally assign them to End user (PIN, ANI, etc), Carrier account (terminating / originating) or Reseller
  • Allow to add DNIS-based surcharges to any rate table, based on: dialed destination number and dialed access number
  • Create/edit/upload/copy/delete rate tables
  • Multiple rate tables per account or reseller via dialed prefix
  • Replace rate tables with new by specifying effective start time of particular table
  • Rate tables properties:
    • rates based on Country code, City code, longest digit match
    • multiple currencies, individually set per destination
    • rate per call duration time (rate per minute)
    • rate per call connect (rate per call)
    • variable call duration increment
    • free non-chargeable duration (grace time)
    • round-up short duration calls to specific duration
    • variable number of seconds in minute for IVR purposes
    • enable/disable particular destination or destination block
    • rates based on day or week or time of day
    • minimum and maximum number of digits in destination number
  • DNIS-based Rate surcharge properties:
    • surcharge based on dialed access number and destination number prefix
    • rate per minute surcharge
    • rate per call surcharge
    • surcharge currency
    • IVR language based on Access number dialed
  • Recurring services properties:
    • activate based on usage start criteria (account created / account in use)
    • Service run number of cycles or until stop criteria is met
    • Stop criteria: account disabled, account no balance
    • Services run periods: daily, weekly, monthly, bi-monthly

Routing Management

  • Unlimited number of Routing groups
  • Routing Group can hold unlimited number of Routes
  • Multi-level failover routing
  • Round robin routing for equal priority destinations
  • Percentage distributed routing based on Terminating Account capacity
  • Huntstop on any route
  • Manipulate the DNIS of a called number and pre-pend a technical prefix for advanced routing
  • Least Cost Routing
  • Upload Routing tables from text file

Calling Card and IVR Management

  • PIN based and PINless (ANI) based calling card support
  • Automatic ANI registration
  • Muliple language and currency support
  • Dial-in number to inquiry the balance of account
  • Balance announce, remaining time and call rate announce

Callback Management

  • ANI based callback, with the all features of calling cards
  • SMS callback via 3rd party gateway
  • Web callback from endusers interface

Enduser Selfprovision Interface

  • Signup via web interface, with various access options
  • Controllable rate plans and initial credits
  • Call detail, call summary, invoice and payments reports
  • Multiple payments methods: recharge voucher, Paypal, Moneybookers, Barclaycard, Ogone
  • PDF invoices
  • Speed-dial number directory (10 entries)
  • Web-callback (with pre-defined numbers)

Call shop Interface

  • Call Shop Web Interface with admin and operator level functions
  • Dynamically view status of the lines, including line status (idle, disabled, call connecting, active, finished) call duration counters, amount counters)
  • Display list of dialed numbers by current customer
  • Ability to accumulate calls within one invoice for same customer
  • Enter payment and clear the balance of current customer
  • Block / unblock any line
  • Reports
  • Optional module to connect LCD call informational displays in booths(cabins)