This week, we started off our blog about VoIP with An Introduction to VoIP Technology and plan to write more blogs on this topic to help our office space Toronto customers, our virtual office clients and our blog readers to understand and make informed decisions about how VoIP services can be a cost saving strategy for their businesses.

VoIP is a proving to be a self-improving technology that responds to customer demands, business dynamics and new innovations available from developers. Ever since its introduction, VoIP technology has revolutionized the way phone calls are made over the Internet. In the early days of VoIP, calls were often choppy like that of the old “walkie-talkie.” You had to wait until the other party was finished his or her sentence before you could respond. One of the other early challenges for VoIP was call quality. At that time, the exchange of voice relied heavily on the strength of the internet connection and there was a high risk of calls being dropped and disruptive lag times – even amongst calls on the same internet node.

The biggest improvements in VoIP have come about because of the availability of high-speed internet connections with more bandwidth. Another factor that improved call quality was using smaller data packets and voice compression. VoIP requires two classes of protocols – a signaling protocol that is used to set up, disconnect and control the calls and telephony features, and a protocol to carry speech packets. The RTF (Real-Time Transport Protocol) carries speech transmission which will work with any signaling protocol.

An IP phone or “softphone” generates a voice packet every 10, 20, 30 or 40 ms (milliseconds), depending on the provider’s implementation. The 10 to 40 ms of speech can be compressed, uncompressed and even encrypted. It is important to note that it takes many packets to carry just one word, so the faster your VoIP service processes the packets, the better the quality of the call. Basically, the shorter the packet creation delay, the more network delay the VoIP call can tolerate. Shorter data packets cause less of a problem if the packet is lost. Short packets require more bandwidth, however, because of increased packet overhead. Longer data packets can contain more speech bytes and reduce the bandwidth requirements – but they can also produce a longer construction delay on the receiving end. For this reason, most VoIP services are typically 20 or 30 ms sized packets to balance bandwidth and call quality.

Shorter packets have higher overhead. There are 54 bytes of overhead carrying the voice bytes. As the size of the voice field gets larger with longer packets, the percentage of overhead decreases – therefore the needed bandwidth decreases. In other words, bigger packets are more efficient than smaller packets.

Just like the early voice compression technologies that were designed for undersea cables (where bandwidth was limited and expensive), VoIP uses the same voice compression technologies that were created to reduce this bandwidth requirement of overseas calls. Therefore, voice compression is not new. Voice compression is also used for digital cellphone calls and calls made to the international space station to save on data.

Another aspect that has changed is in the way that VoIP is delivered. More and more hardware developers of traditional phones and phone systems have entered the marketplace with their IP phone technology systems. Companies like Cisco – who have long been known for developing network hardware such as routers, nodes and switches – is also making VoIP phones and VoIP phone adapters that allow consumers to use any phone for their VoIP services. An online article on the Forbes Magazine website called Cisco VoIP Phones Affected By On Hook Security Vulnerability, not only pointed out the potential for security issues with VoIP, but how companies like Cisco have to stay ahead of the security threats. So even large companies like Cisco must keep vigilant to ensure its systems are always “hacker-proof.”

Looking to Learn More?

An Introduction to VoIP Technology

18 King Street East Suite 1400
Toronto, Ontario
M5C 1C4 Canada
416-574-1112

18 King Street East Suite 1400
Toronto, Ontario
Canada M5C 1C4
416-574-1112

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We are by far the most experienced and best coworking team in the market – established in 1980

We are the highest Tech centre in the market

We have a very modern, high quality, brand new facility located at:

18 King Street East, Suite 1400

Toronto, Ontario M5C 1C4 Canada

- 18 King Street East is a boutique Class A building – East of Yonge: easy street parking, less traffic, excellent restaurants and lovely parks – St. James Park @ Church & King and Berczy Park @ Wellington East, Scott and Front Streets – Very high energy and engaging area
- A few steps (a few seconds) to the Yonge Street subway/underground PATH network and streetcar available outside building
- Building is located in Toronto's vibrant financial district
- Plenty of parking available in the area including street parking and reserved parking in the 18 King building
- Adjacent to the building huge outdoor food courtyard - Beer Bistro www.beerbistro.com and Craft Beer Market www.craftbeermamrket.ca restaurants and bars with onsite catering services
- Onsite amenities: Tim Horton's, Beer Bistro, Convenience store and Starbucks across the street
- Nearby amenities: underground PATH network, numerous restaurants, banking, Starbucks plus a wide array of nearby shops and services
- New modernized office layout fully furnished with meeting spaces and training rooms plus café lounge area
- We are leaders in the service of training/meeting rooms with full conference facilities, high quality hot and cold catering
- Largest training room and conference facilities accommodate up to 60 people classroom style
- Ultra-high-speed - 1 GIG pipe = 1,000 x 1000 fiber-optic network, which will deliver internet connection speeds faster than most North American services
- Private shower room
- Indoor Reserved Parking at the current building rental rate
- Bicycle parking
- Rent a space to accommodate your team for meetings, training sessions, corporate events or coworking space or flexible office space for one day, one week, one month or one year, or whatever term suits your business
- Telsec has over 650 locations in 40 different countries worldwide available for their clients. Office clients receive up to 8 hours of meeting space per month at no charge at any ABCN member location. Plus, Office and Virtual Office clients may rent a space from any member location at special member rates which varies depending on the location
- King Edward Hotel is located across the street - recently completed a $40 million renovation and boutique hotels close by within walking distance

Dining and entertainment at high quality restaurants only minutes away – Carisma, Terroni, Woods Restaurant & Bar and Michelin Rated - Restaurant 20 Victoria. Plus numerous lunch and takeout eateries nearby

Please check out our 70 second video on our home page or click here:

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Telsec will Customize Your Client’s Office(s) Layout to Meet Their Requirements.

You are welcome to drop-in any-time, a quick call would be appreciated to ensure our availability Vanessa 416-574-1112 or Josie 416-606-4349 or e-mail josie@telsec.net.

Technological Advances in VoIP

Looking to Learn More?

An Introduction to VoIP Technology

Is your Organization ready for VoIP?

Technological Advances in VoIP

Looking to Learn More?

An Introduction to VoIP Technology

Is your Organization ready for VoIP?

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