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Technical Specifications

Need to know what's under the hood? Here's a detailed look at the technical capabilities of your phone system - from supported audio formats to network requirements. Whether you're setting up integrations or just curious about the system's capabilities, you'll find all the technical details here.

Audio Codecs​

The system supports multiple audio codecs to ensure optimal call quality and compatibility:

CodecSample Rate
OPUS48000/2
G7228000
PCMU8000
PCMA8000
G7298000
GSM8000
note

The system also supports telephone-event for DTMF transport, ensuring reliable touch-tone functionality during calls.

Network Configuration​

IP Ranges​

The system uses the following IP range for incoming and outgoing traffic:

46.19.208.0/21 (46.19.208.0 - 46.19.215.254)

RTP Ports​

Media traffic uses ports in the following range:

16384-32767
warning

When configuring firewalls or security settings, ensure these IP ranges and ports are properly allowed for optimal system performance.

Supported Protocols​

The system supports multiple protocols for flexible integration:

  • SIP over UDP (User Datagram Protocol)
  • SIP over TCP (Transmission Control Protocol)
  • SIP over TLS (Transport Layer Security)
  • SIP over WSS (WebSocket Secure)
  • T.38 for fax transmission (to email)

Audio File Specifications​

Supported Upload Formats​

The following audio file formats can be uploaded to the Media Center:

  • .mp3
  • .wav
  • .flac
  • .ogg
info

Maximum file size for audio uploads is 14 MB

Call Recording Specifications​

Call recordings are generated with the following specifications:

  • File format: .mp3
  • Bit rate: 16 kbps
  • Sample rate: 8 kHZ
tip

Call recordings are approximately 7MB per hour. Consider this when configuring email delivery methods, as email servers may have file size limitations.

Time Zone Management​

The system implements the industry-standard IANA Time Zone database for precise time management:

  • Uses UTC offsets and daylight-saving rules from IANA
  • Default timezone is GMT (+0)
  • Supports all IANA timezone definitions
  • Automatically handles daylight saving transitions
tip

For more information about IANA timezones, visit:

System Requirements​

Mobile App​

The phone system app is available for:

  • iOS devices
  • Android devices
  • Windows computers
  • macOS computers

Web Interface​

The phone system panel works best with:

  • Modern web browsers (Chrome, Firefox, Safari, Edge)
  • Minimum screen resolution: 900x600 pixels
  • JavaScript enabled
  • Cookies enabled

Security Features​

The system includes several security measures:

  • SIP Security

    • TLS support for encrypted signaling
    • SRTP support for encrypted media
    • IP-based authentication options
    • Strong password requirements

  • Web Interface

    • HTTPS encryption
    • Session-based authentication
    • Role-based access control
    • Activity logging
warning

Encrypted protocols (TLS, SRTP) are disabled by default. Contact support to enable these features for your account.

Integration Capabilities​

The system supports various integration methods:

  • Cloud Storage

    • AWS
    • Azure
    • MinIO
    • Google Drive
    • Dropbox
    • OneDrive

  • File Transfer

    • FTP
    • SFTP
    • Email attachments

  • External Systems

    • SIP trunking
    • External SIP URIs
    • PSTN routing
    • Interlink connections
tip

For optimal performance when integrating with external systems, ensure all required ports and protocols are properly configured in your network security settings.