Voice over Internet Protocol (VoIP) has revolutionized the way we communicate. By converting voice signals into digital data packets, VoIP allows for high-quality, low-cost communication over the internet. This article aims to demystify VoIP Wholesale Terms And Jargons commonly associated with VoIP and its wholesale aspect. For those new to the world of VoIP, understanding these VoIP Wholesale Terms And Jargons can be the first step in leveraging this technology for business or personal use.

Common VoIP and VoIP Wholesale Terms and Jargons

1. VoIP (Voice over Internet Protocol): A technology that allows voice calls to be made over the internet by converting analog voice signals into digital data packets. This method offers significant cost savings, flexibility, and enhanced call quality. For a deeper dive into VoIP, check out our article What is VOIP (Voice) Wholesale?.

2. VoIP Wholesale: The practice of buying and selling VoIP services in bulk. As the name suggests, it’s about dealing with large volumes of VoIP traffic. Companies like Progressive Telecom LLC specialize in this, ensuring businesses get the best rates and quality. Learn more about the journey of VoIP wholesale with Wholesale VoIP: A Journey with Progressive Telecom LLC.

3. SIP (Session Initiation Protocol): A signaling protocol used for initiating, maintaining, and terminating real-time sessions that include voice, video, and messaging applications. It’s essential for VoIP technology.

4. RTP (Real-time Transport Protocol): Used in conjunction with SIP, RTP defines a standardized packet format for delivering audio and video over the internet.

5. Codec (Coder-decoder): A software used to compress and decompress digital audio data. Different codecs can affect the sound quality and bandwidth required for a call.

6. NAT (Network Address Translation): A method where IP addresses are mapped from one realm to another, aiding in traffic routing.

7. QoS (Quality of Service): Refers to the performance level of a service, ensuring transmission rates, error rates, and other characteristics can meet the specific requirements of the VoIP application.

8. PBX (Private Branch Exchange): A private telephone network used within a company, allowing users to communicate internally and externally using different communication channels like VoIP.

9. Hosted PBX: A PBX system operated and maintained by a VoIP service provider, eliminating the need for businesses to invest in complex hardware.

10. SIP Trunk: A virtual version of an analog phone line, enabling users to place calls over the internet.

11. Call Center: A centralized department to which phone calls from current and potential customers are directed.

12. IVR (Interactive Voice Response): A technology allowing humans to interact with computers using voice or DTMF tones input via a keypad.

13. Carrier: A company that provides telecommunications services, often at a wholesale level.

14. Reseller: A company that purchases telecommunications services in bulk from carriers and sells them to businesses or consumers.

15. Aggregator: A company that buys telecommunications services from multiple carriers and sells them to businesses, ensuring a mix of routes and better pricing.

16. ACD – Average Call Duration: The average time a call lasts. It’s a crucial metric for understanding call patterns and usage.

17. ASR – Average Success Rate: This metric provides insights into the percentage of answered calls, helping businesses gauge the quality of their VoIP service.

18. PDD – Post Dial Delay: The time taken between dialing a number and hearing a ring or a voice. In VoIP, a lower PDD is preferred for a better user experience.

19. SIP Codes: These are response codes indicating the status of the SIP requests, helping in troubleshooting.

20. Route: The path taken by the call to reach its destination. The quality of the route affects the call’s success rate.

21. Traffic Profile: A representation of the call patterns, including metrics like ACD, PDD, and ASR.

22. FAS – False Answer Supervisor: A type of VoIP fraud where the call appears to be answered, but in reality, it’s not.

23. Codec: Software used to compress and decompress voice signals for transmission.

24. CLI – Caller Line Identification: The number displayed on the recipient’s phone during an incoming call.

25. CLI Quality vs. NCLI Quality: CLI Quality ensures the recipient sees the correct number, while NCLI might display a different or no number.

26. Retail Traffic vs. Wholesale Traffic: Retail traffic comes from one operator and is considered clean. In contrast, wholesale traffic can come from various sources, including retail and call centers.

27. Rate, Sell Rate, Buy Rate, and Profit: These terms revolve around the pricing of VoIP services, with the profit being the difference between the sell rate and the buy rate.

Benefits of VoIP and VoIP wholesale

VoIP technology offers numerous advantages, including significant cost savings, flexibility, scalability, improved call quality, and a plethora of enhanced features. For businesses, partnering with a reputable VoIP wholesale provider like Progressive Telecom LLC ensures they leverage these benefits to the fullest.

Challenges of VoIP and VoIP wholesale

While VoIP is transformative, it’s not without challenges. Concerns around security, compliance, and technical support need addressing, especially in the wholesale domain.


The world of VoIP is vast, filled with jargon that can often be overwhelming. However, with a clear understanding of these terms, businesses can make informed decisions, ensuring they harness the power of VoIP effectively. As the industry continues to evolve, staying updated with the latest terms and technologies becomes paramount. For those keen on diving deeper into the world of VoIP, our articles, such as How to Use VoIP Metrics to Improve Your Business and History of VoIP and Internet Telephony, offer valuable insights.

For those interested in partnering with a reputable VoIP wholesale provider, Progressive Telecom LLC offers unparalleled services, ensuring quality and reliability in all your communication needs.

Leave a Comment

Your email address will not be published. Required fields are marked *