gosip | Public Switched Telecommunications Network
kandi X-RAY | gosip Summary
kandi X-RAY | gosip Summary
gosip (pronounced "gossip") is a library that lets you make phone calls using the Go programming language. It provides a full-stack SIP/RTP implementation that's tailored towards making calls over the PSTN through services such as Flowroute. gosip is most suitable for backend telephony applications. This is especially true for apps that do interesting things with audio. gosip supports DSP out of the box by providing SSE optimised audio mixing, an assembly implementation of the µLaw codec (no other codecs are supported), and a comfort noise generator. Telephony applications have traditionally been written on top of PBX systems like Asterisk via an extension interface. Frameworks such as Adhearsion have introduced further layers of abstraction to this unwieldy regime. These systems are slow, difficult to administer, and in many cases superfluous to the needs of the telephony app developer. gosip sets you free from Asterisk because you can have everything in a single easy-to-deploy binary. gosip has excellent support for SRV/NAPTR failover by way of timeouts, ICMP refusal, and 502 Service Unavailable responses. It also supports SIP redirects as well as changing the audio/signalling path mid-call. But most importantly, gosip is lightweight enough that you can actually design your app to use a single process for each phone call (assuming your app is in the audio path.) By taking this non-monolithic approach to design, you can actually build a higher availability global telephony service with zero interruptions during software upgrades. gosip parses SIP messages using the Ragel finite state machine compiler. Much of the BNF was copied directly from the SIP RFC. This implementation approach offers a fair amount of confidence that the parser is not only fast, but also correct and secure. gosip is less suitable for PBX, IVR, and VoIP reselling. For these things, you should consider Asterisk, FreeSWITCH, or SER.
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QUESTION
I'm staking to join a CockroachDB node to a cluster. I've created first cluster, then try to join 2nd node to the first node, but 2nd node created new cluster as follows. Does anyone knows whats are wrong steps on the following my steps, any suggestions are wellcome.
- I've started first node as follows:
ANSWER
Answered 2019-May-11 at 15:07It seems you had previously started the second node (the one running on 128.199.127.164
) by itself, creating its own cluster.
This can be seen in the error message:
QUESTION
I used selenium webdriver in java for getting the pagesource of the url https://www.kapanlagi.com/ so that i can automate some actions on top of the webpage. Unfortunately when i used driver.getPageSource(); i could get the source code but it has a0: attached to all the tags as shown below. A sample of source code is given below:
...ANSWER
Answered 2018-Mar-03 at 07:50You havn't mentioned the versions of the binaries you are using, but using Selenium Java client v3.9.1, GeckoDriver v0.19.1 and Firefox Quantum v58.0.2 (64-bit) I am able to see a proper PageSource without any prefix of a0:
as follows :
Code Block :
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