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[Tweet](https://twitter.com/share) [![Troubleshoot one-way or no-way audio on VoIP calls - TeleDynamics](https://info.teledynamics.com/hubfs/blog-images/frustrated-man-with-phone-GraphicStock-30pct.jpg)](https://info.teledynamics.com/blog/how-to-troubleshoot-one-way-and-no-way-audio-on-voip-calls) If you deal with Voice over IP (VoIP), you must have come across this scenario at one time or another: A user complains that when they answer their phone, the caller can’t hear them, even though they can hear the calling party. Or, it may be that neither party can hear the other and there is just silence on the line. This is the classic case of one-way or no-way audio, where a voice call is successfully completed, but either the voice packets only successfully travel in one direction, or neither end successfully receives voice packets. It may be difficult to understand why this happens, especially since the phone does ring, both physically for the called party and via the ring-back tone for the calling party. It seems counterintuitive that the transmission of voice packets could be unsuccessful if the call was successfully set up. This is a scenario that comes up a lot on our tech support calls at TeleDynamics. Here we list four of the most common culprits of this issue and suggestions for how to tackle them. [Read More](https://info.teledynamics.com/blog/how-to-troubleshoot-one-way-and-no-way-audio-on-voip-calls) 11 Comments [Click here to read/write comments](https://info.teledynamics.com/blog/how-to-troubleshoot-one-way-and-no-way-audio-on-voip-calls#comments-listing) Topics: [SIP Phones](https://info.teledynamics.com/blog/topic/sip-phones), [QoS](https://info.teledynamics.com/blog/topic/qos), [VoIP](https://info.teledynamics.com/blog/topic/voip), [SIP](https://info.teledynamics.com/blog/topic/sip), [Troubleshooting](https://info.teledynamics.com/blog/topic/troubleshooting) ## [How Android converts IP phones to productivity centers](https://info.teledynamics.com/blog/how-android-converts-ip-phones-to-productivity-centers) Posted by [Daniel Noworatzky](https://info.teledynamics.com/blog/author/daniel-noworatzky) on Jan 18, 2017, 3:40:00 PM - [Tweet](https://twitter.com/share) [![](https://info.teledynamics.com/hubfs/blog-images/android-shows-heart_fkagN20O_graphicstock-20pct.jpg)](https://info.teledynamics.com/blog/how-android-converts-ip-phones-to-productivity-centers)   Grandstream and Ubiquiti add excitement to desk phones by leveraging the power of Android OS and a modern interface. By integrating the Android Operating System into the phone, thousands of business productivity applications like Skype, GoToMeeting, Gmail and more can be downloaded onto these phones from the Google Play store. Advanced apps ranging from Pomodoro Technique Timer to more obvious solutions provided by Google Calendar will make workers in any industry more productive as they perform phone call campaigns and meetings with one device instead of two. The versatility that the Android platform provides is a huge differentiator that separates these phones from a typical IP phone. Here we look at five SIP endpoints from Grandstream and Ubiquiti that use Android OS.   [Read More](https://info.teledynamics.com/blog/how-android-converts-ip-phones-to-productivity-centers) 0 Comments [Click here to read/write comments](https://info.teledynamics.com/blog/how-android-converts-ip-phones-to-productivity-centers#comments-listing) Topics: [SIP Phones](https://info.teledynamics.com/blog/topic/sip-phones), [Business Telephone System](https://info.teledynamics.com/blog/topic/business-telephone-system), [VoIP](https://info.teledynamics.com/blog/topic/voip), [SIP](https://info.teledynamics.com/blog/topic/sip), [Grandstream](https://info.teledynamics.com/blog/topic/grandstream), [Android](https://info.teledynamics.com/blog/topic/android), [Productivity](https://info.teledynamics.com/blog/topic/productivity) ## [Thought videoconferencing was not for SMBs? Think again.](https://info.teledynamics.com/blog/thought-video-conferencing-was-not-for-smbs-think-again) Posted by [Guest Blogger](https://info.teledynamics.com/blog/author/guest-blogger) on Dec 7, 2016, 3:13:00 PM - [Tweet](https://twitter.com/share) [![Grandstream-GVC3200-conference-room.jpg](https://info.teledynamics.com/hubfs/featured_products/Grandstream-GVC3200-conference-room.jpg)](https://info.teledynamics.com/blog/thought-video-conferencing-was-not-for-smbs-think-again) **By Phil Bowers, Senior Marketing Manager, Grandstream Networks** For many businesses, videoconferencing has traditionally been seen as being a pipe dream – something they would love to be able to utilize but cannot because of a variety of factors. But not anymore: the videoconferencing marketplace is currently going through a major transformation. [Read More](https://info.teledynamics.com/blog/thought-video-conferencing-was-not-for-smbs-think-again) 0 Comments [Click here to read/write comments](https://info.teledynamics.com/blog/thought-video-conferencing-was-not-for-smbs-think-again#comments-listing) Topics: [VoIP](https://info.teledynamics.com/blog/topic/voip), [SIP](https://info.teledynamics.com/blog/topic/sip), [Grandstream](https://info.teledynamics.com/blog/topic/grandstream), [Trends](https://info.teledynamics.com/blog/topic/trends), [Videoconferencing](https://info.teledynamics.com/blog/topic/videoconferencing) ## [How micro-enterprises can benefit from VoIP](https://info.teledynamics.com/blog/how-micro-enterprises-can-benefit-from-voip) Posted by [Daniel Noworatzky](https://info.teledynamics.com/blog/author/daniel-noworatzky) on Nov 23, 2016, 10:44:00 AM - [Tweet](https://twitter.com/share) [![Cat-sees-lion-mirror-500x500.jpg](https://info.teledynamics.com/hubfs/blog-images/Cat-sees-lion-mirror-500x500.jpg)](https://info.teledynamics.com/blog/how-micro-enterprises-can-benefit-from-voip) About 90% of businesses in the United States have fewer than 20 employees, according to the [Small Business & Entrepreneurship Council](http://sbecouncil.org/about-us/facts-and-data/). In the past, companies of this size often couldn’t benefit from PBX functionality like IVR (interactive voice response), hunt groups, hold music, and so forth, because of the high cost of installing and maintaining a PBX. But today, things are different. Thanks to hosted VoIP service, micro-enterprises can have a phone system with even more functionality than a legacy PBX, even if they only have one user! All they need is a broadband Internet connection. With VoIP, micro-businesses can be more efficient and enjoy the same functionality that big corporations have relied on for decades. Here we look at how a micro-enterprise can get started with VoIP and some of the benefits it can reap as a result. [Read More](https://info.teledynamics.com/blog/how-micro-enterprises-can-benefit-from-voip) 1 Comment [Click here to read/write comments](https://info.teledynamics.com/blog/how-micro-enterprises-can-benefit-from-voip#comments-listing) Topics: [SIP Phones](https://info.teledynamics.com/blog/topic/sip-phones), [IP PBX](https://info.teledynamics.com/blog/topic/ip-pbx), [QoS](https://info.teledynamics.com/blog/topic/qos), [Business Telephone System](https://info.teledynamics.com/blog/topic/business-telephone-system), [VoIP](https://info.teledynamics.com/blog/topic/voip), [SIP](https://info.teledynamics.com/blog/topic/sip), [Trends](https://info.teledynamics.com/blog/topic/trends), [Mobility (including remote work)](https://info.teledynamics.com/blog/topic/mobility-including-remote-work) ## [A simple process for transitioning to VoIP](https://info.teledynamics.com/blog/a-simple-process-for-transitioning-to-voip) Posted by [Daniel Noworatzky](https://info.teledynamics.com/blog/author/daniel-noworatzky) on Nov 16, 2016, 3:40:00 PM - [Tweet](https://twitter.com/share) [![man-btw-balloons\_310743446-20pct.jpg](https://info.teledynamics.com/hubfs/blog-images/man-btw-balloons_310743446-20pct.jpg)](https://info.teledynamics.com/blog/a-simple-process-for-transitioning-to-voip)   Replacing a legacy PBX that a company has used for years with an IP PBX can be intimidating, and understandably so. That’s why we recommend a transition method that allows the new technology to be gradually introduced over time. This not only ensures business continuity but also gives the associates plenty of time to adjust to the new equipment. [Read More](https://info.teledynamics.com/blog/a-simple-process-for-transitioning-to-voip) 0 Comments [Click here to read/write comments](https://info.teledynamics.com/blog/a-simple-process-for-transitioning-to-voip#comments-listing) Topics: [Customer Service](https://info.teledynamics.com/blog/topic/customer-service), [SIP Phones](https://info.teledynamics.com/blog/topic/sip-phones), [IP PBX](https://info.teledynamics.com/blog/topic/ip-pbx), [Business Telephone System](https://info.teledynamics.com/blog/topic/business-telephone-system), [VoIP](https://info.teledynamics.com/blog/topic/voip), [SIP](https://info.teledynamics.com/blog/topic/sip), [Total Voice Solution](https://info.teledynamics.com/blog/topic/total-voice-solution), [Business Continuity](https://info.teledynamics.com/blog/topic/business-continuity) ## [Squeeze more mileage out of a legacy PBX](https://info.teledynamics.com/blog/squeeze-more-mileage-out-of-a-legacy-pbx) Posted by [Daniel Noworatzky](https://info.teledynamics.com/blog/author/daniel-noworatzky) on Nov 9, 2016, 3:40:00 PM - [Tweet](https://twitter.com/share) [![men-driving-car\_83989903-30pct.jpg](https://info.teledynamics.com/hubfs/blog-images/men-driving-car_83989903-30pct.jpg)](https://info.teledynamics.com/blog/squeeze-more-mileage-out-of-a-legacy-pbx) As the world moves inexorably towards all-IP, there are still businesses today that use a TDM (time division multiplexing) PBX-based phone system. Eventually, they will end up switching to an IP PBX when their old equipment becomes unserviceable or irreplaceable, but for whatever reason they have chosen not to migrate yet. Even so, there are ways to help these companies reap some advantages from VoIP technology while hanging onto their legacy system. [Read More](https://info.teledynamics.com/blog/squeeze-more-mileage-out-of-a-legacy-pbx) 0 Comments [Click here to read/write comments](https://info.teledynamics.com/blog/squeeze-more-mileage-out-of-a-legacy-pbx#comments-listing) Topics: [Business Telephone System](https://info.teledynamics.com/blog/topic/business-telephone-system), [VoIP](https://info.teledynamics.com/blog/topic/voip), [SIP](https://info.teledynamics.com/blog/topic/sip) ## [Beef up your SIP phone system with these productivity-enhancing accessories](https://info.teledynamics.com/blog/beef-up-your-sip-phone-system-with-these-productivity-enhancing-accessories) Posted by [Daniel Noworatzky](https://info.teledynamics.com/blog/author/daniel-noworatzky) on Nov 2, 2016, 3:40:00 PM - [Tweet](https://twitter.com/share) [![](https://info.teledynamics.com/hubfs/blog-images/multitasking-man_246750811-15pct.png)](https://info.teledynamics.com/blog/beef-up-your-sip-phone-system-with-these-productivity-enhancing-accessories)   Fashion models aren’t the only ones who accessorize. Your customers need accessories, too! If they have an IP phone system, peripherals are an easy way to instantly boost productivity. When putting together your next enterprise telephone system proposal, consider including some from this list, or browse our website for more ideas. [Read More](https://info.teledynamics.com/blog/beef-up-your-sip-phone-system-with-these-productivity-enhancing-accessories) 0 Comments [Click here to read/write comments](https://info.teledynamics.com/blog/beef-up-your-sip-phone-system-with-these-productivity-enhancing-accessories#comments-listing) Topics: [Customer Service](https://info.teledynamics.com/blog/topic/customer-service), [SIP Phones](https://info.teledynamics.com/blog/topic/sip-phones), [Wireless](https://info.teledynamics.com/blog/topic/wireless), [Business Telephone System](https://info.teledynamics.com/blog/topic/business-telephone-system), [VoIP](https://info.teledynamics.com/blog/topic/voip), [SIP](https://info.teledynamics.com/blog/topic/sip), [Peripherals](https://info.teledynamics.com/blog/topic/peripherals), [Mobility (including remote work)](https://info.teledynamics.com/blog/topic/mobility-including-remote-work), [Headsets](https://info.teledynamics.com/blog/topic/headsets), [Conferencing](https://info.teledynamics.com/blog/topic/conferencing) ## [Do more with less thanks to SIP](https://info.teledynamics.com/blog/do-more-with-less-thanks-to-sip) Posted by [Daniel Noworatzky](https://info.teledynamics.com/blog/author/daniel-noworatzky) on Oct 19, 2016, 3:40:00 PM - [Tweet](https://twitter.com/share) [![do-more-with-less\_367807325-25pct.jpg](https://info.teledynamics.com/hubfs/blog-images/do-more-with-less_367807325-25pct.jpg)](https://info.teledynamics.com/blog/do-more-with-less-thanks-to-sip) Businesses are constantly trying to boost productivity so they can do more – and grow more – with less. SIP telephony is a great example of this. Compared with legacy PBX-based phone systems, IP phone systems allow companies to do much more, with less hardware and fewer resources. [Read More](https://info.teledynamics.com/blog/do-more-with-less-thanks-to-sip) 0 Comments [Click here to read/write comments](https://info.teledynamics.com/blog/do-more-with-less-thanks-to-sip#comments-listing) Topics: [IP PBX](https://info.teledynamics.com/blog/topic/ip-pbx), [Business Telephone System](https://info.teledynamics.com/blog/topic/business-telephone-system), [SIP](https://info.teledynamics.com/blog/topic/sip), [Total Voice Solution](https://info.teledynamics.com/blog/topic/total-voice-solution), [Trends](https://info.teledynamics.com/blog/topic/trends), [Mobility (including remote work)](https://info.teledynamics.com/blog/topic/mobility-including-remote-work) ## [Open source vs. open access: which one to choose?](https://info.teledynamics.com/blog/open-source-vs.-open-access-which-one-to-choose) Posted by [Daniel Noworatzky](https://info.teledynamics.com/blog/author/daniel-noworatzky) on Oct 5, 2016, 3:40:00 PM - [Tweet](https://twitter.com/share) [![](https://info.teledynamics.com/hubfs/blog-images/padlocks-credit_author-freepik.jpg)](https://info.teledynamics.com/blog/open-source-vs.-open-access-which-one-to-choose)   | | | --- | | *Image designed by Alvaro\_Cabrera - Freepik.com* | *Open source with open access vs. open source: Make sure you know which one suits you and your customer.*  Open source telecommunications systems are not all created equal. All are open source in the sense that they are built using publicly and freely available code like Asterisk. However, not all of them allow access to the root programming level, which allows you to modify or customize aspects of the code to suit specific requirements or preferences. If a system restricts root-level access, certain features may be customizable, but don’t count on having much leeway. Be sure you know which one best suits your customer. [Read More](https://info.teledynamics.com/blog/open-source-vs.-open-access-which-one-to-choose) 0 Comments [Click here to read/write comments](https://info.teledynamics.com/blog/open-source-vs.-open-access-which-one-to-choose#comments-listing) Topics: [Customer Service](https://info.teledynamics.com/blog/topic/customer-service), [IP PBX](https://info.teledynamics.com/blog/topic/ip-pbx), [Business Telephone System](https://info.teledynamics.com/blog/topic/business-telephone-system), [VoIP](https://info.teledynamics.com/blog/topic/voip), [SIP](https://info.teledynamics.com/blog/topic/sip), [Total Voice Solution](https://info.teledynamics.com/blog/topic/total-voice-solution) ## [IP PBX must-haves for small businesses](https://info.teledynamics.com/blog/ip-pbx-must-haves-for-small-businesses) Posted by [Daniel Noworatzky](https://info.teledynamics.com/blog/author/daniel-noworatzky) on Sep 28, 2016, 3:40:00 PM - [Tweet](https://twitter.com/share) [![smoke-signals-rde9680\_cartoonstock-50pct.jpg](https://info.teledynamics.com/hubfs/blog-images/smoke-signals-rde9680_cartoonstock-50pct.jpg)](https://info.teledynamics.com/blog/ip-pbx-must-haves-for-small-businesses)   *These features absolutely must be in your IP PBX suite offering* When proposing IP voice solutions to small businesses, certain applications and features are so essential that the customer won’t even consider purchasing a system without them. According to a [study of more than 200 small businesses](http://www.softwareadvice.com/resources/voip-software-smb-buyer-trends-2015/) conducted by [SoftwareAdvice](http://www.softwareadvice.com/), the phone system applications most often cited as “required” are: [Read More](https://info.teledynamics.com/blog/ip-pbx-must-haves-for-small-businesses) 2 Comments [Click here to read/write comments](https://info.teledynamics.com/blog/ip-pbx-must-haves-for-small-businesses#comments-listing) Topics: [Customer Service](https://info.teledynamics.com/blog/topic/customer-service), [IP PBX](https://info.teledynamics.com/blog/topic/ip-pbx), [Business Telephone System](https://info.teledynamics.com/blog/topic/business-telephone-system), [VoIP](https://info.teledynamics.com/blog/topic/voip), [SIP](https://info.teledynamics.com/blog/topic/sip), [Total Voice Solution](https://info.teledynamics.com/blog/topic/total-voice-solution), [Software Integration](https://info.teledynamics.com/blog/topic/software-integration), [Trends](https://info.teledynamics.com/blog/topic/trends), [Mobility (including remote work)](https://info.teledynamics.com/blog/topic/mobility-including-remote-work) [Previous](https://info.teledynamics.com/blog/topic/sip/page/6) [All posts](https://info.teledynamics.com/blog/all) [Next](https://info.teledynamics.com/blog/topic/sip/page/8) ## Welcome to our Think Tank In this blog you'll read our thoughts on business telephone systems. While a lot has changed in telecom since TeleDynamics was founded in 1981, we remain as committed as ever to delivering the best customer service in the industry. If you would like elaboration on a specific topic, please let us know in the comments section. Happy reading and thanks for stopping by! ### Receive New Articles by Email ![BiBA-2017-silver-midres](https://info.teledynamics.com/hs-fs/hubfs/Teledynamics_August2024/Images/BiBA-2017-silver-midres.jpg?width=170&name=BiBA-2017-silver-midres.jpg "BiBA-2017-silver-midres") ### Recent Posts - [Grandstream GWN7721 switches: multigigabit networking for SMBs](https://info.teledynamics.com/blog/grandstream-gwn7721-switches-multigigabit-networking-for-smbs) - [Yealink AX83H and AX86R: Wi-Fi phones for every workplace](https://info.teledynamics.com/blog/yealink-ax83h-and-ax86r-wi-fi-phones-for-every-workplace) - [Green communications: how to reduce UC and VoIP energy costs](https://info.teledynamics.com/blog/green-communications-how-to-reduce-uc-and-voip-energy-costs) - [Grandstream GWN7673: Wi-Fi 7 performance without the 6 GHz band](https://info.teledynamics.com/blog/grandstream-gwn7673-wi-fi-7-performance-without-the-6-ghz-band) - [Yealink WH64 hits the sweet spot for business headsets](https://info.teledynamics.com/blog/yealink-wh64-hits-the-sweet-spot-for-business-headsets) ### Posts by Topic - 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