![]() In this blog, we have selected the top 12 Grasshopper phone system alternatives and competitors based on the following criteria which helps you to quickly recap and decide the best alternatives to the Grasshopper phone system.Įase of use: Because time is a precious resource for small companies, we looked at user feedback on each product’s ease of use and customer support. ![]() It is a virtual phone system that assists small business owners in appearing and sounding professional.ĭespite utilizing the same phone for both, you’ll be able to keep your business and personal lives distinct. However, not all technologies can meet your specific requirements, so consider various aspects when selecting a VoIP platform. VoIP enables company owners to stay connected at all times and from any location. To adjust, change the codec settings on your phone so that the primary preference is a common codec with the other party's phone.If you’re looking for a new cloud phone system, you have a variety of possibilities.īusinesses are no longer restricted to a single location, and this growth has improved the available communication options. ![]() If you compare this to the other party's phone settings, the problem may become immediately apparent. This is how you'll see your available codecs listed. If you have access to SIP packet traces for the phones (this is provided by some phone vendors in the diagnostics), look for a line that begins with "m=". has a thorough discussion of codecs if you'd like more information. For calls that we send and receive from the PSTN, we force ulaw if it's available for greater compatibility with the PSTN. This preference is modifiable on most phones and is how extension-to-extension calls on our network work. The way two phones decide how to communicate is to select a codec available to both phones, choosing the common codec with the highest preference. The other possible cause of this problem is that the two phones cannot agree on a common codec. If you see both then your phone and firewall are correctly sending your TCP/IP address information to OnSIP. Separately, you should see a 'NAT Address' line showing your external IP address. You should see a 'Contact' address like: The important part is that there is a 'Contact' line and the IP address is an 'internal' IP address, e.g. Scroll down to the 'Maintenance' block and click on '(Show Details)' next to the SIP Registrations line. ![]() Click on the name of one of the users to see the User Detail. To see if your phones/firewall are sending OnSIP the proper packets, log into the Onsip interface and click on 'Users'. Our network will return the same port for inbound audio as outbound audio, which simplifies the job for the NAT devices involved. To disable this feature, allow OnSIP to handle NAT detection by turning NAT detection off in your phone settings and turn OFF any SIP-aware functions on your firewall. The NAT/Firewall is blocking the inbound audio stream. The typical situation is that you can be heard, but you cannot hear the audio coming in the opposite direction.Įxplanation: The probable cause of your issue is a codec mismatch or a port issue with your NAT device. When I make a call, the other party can't hear me, but I can hear them (or vice versa).
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