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VoIP Software

VoIP Software

VoIP Software supports a wide range of Voice, Video, Radio and Mobile VoIP applications

VoIP Software provides a comprehensive Voice over IP solution for a wide range of Voice, Video, Radio and Mobile VoIP applications.

  • Full featured VoIP telephony
  • Robust speech enhancement
  • Tested VoIP interoperability
  • Secure communications
  • Optimized for DSPs, ARM and other microprocessors

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VOCAL’s VoIP software includes adaptive jitter and voice quality enhancement algorithms with robust noise reduction, echo cancellation and dereverberation. Together with VoIP encryption using secure SIP, SRTP, SDES, IPsec and other secure protocols, our VoIP Software can ensure privacy and security of all communications. Our software libraries are fully integrated and highly configurable, including a SIP client and server with Network Stack and a broad selection of VoIP vocoders. Contact us to discuss your VoIP software application requirements.


  • VoIP stack, adaptive jitter and native API
  • SIP and/or RTSP support with multiple VoIP providers
  • Multi-channel audio support for independent devices
  • Encrypted communication using secure RTP (SRTP) with SDES or proprietary key negotiation
  • Network stack with NAT/firewall support
  • Standard vocoders available, e.g. MELP, G.722, Speex, Opus, etc.
  • High performance noise preprocessor
  • An extensive set of telephony features
  • Call progress tones with world-wide configurability
  • Quality of service configurability
  • Voice quality enhancement with echo cancellation, noise reduction and dereverberation
  • WAN support (Ethernet, cable modem or DSL) and WLAN support
  • Optimized for DSPs, ARM and other microprocessors
  • MISRA compliant version (with limited deviations) available


VOCAL ensures compliance with the latest standards and conducts comprehensive compatibility and interoperability testing to verify our VoIP software is fully interoperable with products from Cisco, Quintum, NetCentrex, Asterisk and other vendors.  For additional information regarding compatibility and interoperability testing, please contact us.

VoIP Software Modules

VoIP Software Components

VoIP protocols are used for secure, real-time voice, video, fax and data communications over mobile, radio and IP networks

VOCAL’s VoIP Software modules provide secure, real-time unified communications for voice, video, radio and data over the Internet or any other IP network. This includes a wide range of VoIP codecs and Quality of Service (QoS) support, where efficient utilization and prioritization of existing bandwidth can ensure exceptional voice quality and maximal data transmission. Our VoIP software may be licensed as a library with custom VoIP solutions available to meet specific developer requirements. Additional information regarding all aspects of our VoIP software is available.

Network Stack
Security NAT/Firewall  STUN  ICE  TURN

Design Applications


supported platforms

VOCAL’s optimized software is available for the following platforms. Please contact us for specific VoIP supported platforms.

Processors Operating Systems
  • Texas Instruments – C6xx (TMS320C62x, TMS320C64x, TMS320C645x, TMS320C66x, TMS320C67x), DaVinci, OMAP, C5xx (TMS320C54x, TMS320C55x)
  • Analog Devices – Blackfin, ADSP-21xx, TigerSHARC, SHARC
  • PowerPC, PowerQUICC
  • MIPS – MIPS32, MIPS64, MIPS4Kc
  • ARM – ARM7, ARM9, ARM9E, ARM10E, ARM11, StrongARM, ARM Cortex-A8/A9, Cortex-M3/M4
  • Intel / AMD – x86, x64 (both 32 and 64 bit modes)
  • Linux, uClinux, BSD, Unix
  • Microsoft Windows ACM / RTC / CE / Mobile
  • Apple iOS / iPhone / iPad & MacOS
  • eCOS / eCOSPro
  • Google Android
  • Green Hills Integrity
  • Micrium μCOS
  • Symbian
  • Wind River VxWorks
VOCAL Technologies, Ltd.
520 Lee Entrance, Suite 202
Amherst New York 14228
Phone: +1-716-688-4675
Fax: +1-716-639-0713