VOICE CODEC QUALITY COMPARISON AND INTERCONNECTION TESTING BETWEEN ASTERISK SERVER AND PSTN CONNECTION
نویسندگان
چکیده
منابع مشابه
Achieving PSTN Voice Quality in VoIP
Voice over Internet Protocol (VoIP) is being widely deployed to offer users low-cost alternatives for long-distance and international telephone calls. However, for users who are accustomed to the high-quality sound offered by traditional Public Switched Telephone Network (PSTN) service, VoIP voice quality often pales in comparison. Voice quality in VoIP networks widely varies as a result of sev...
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چکیده ندارد.
on the relationship between critical thinking, metacognition and translation quality of literary and economic texts
این مطالعه سعی دارد تا رابطه تفکر انتقادی و مهارت های شناختی را به عنوان دو عنصر مهم روانشناسی شناختی با کیفیت ترجمه متون ادبی و اقتصادی بررسی کند. صد دانشجوی سال آخر ترجمه که در مقطع کارشناسی مشغول به تحصیل هستند برای شرکت در این مطالعه انتخاب شدند و آزمون های تافل تفکر انتقادی و مهارت های شناختی از آنها گرفته شد. آزمون ترجمه ادبی و اقتصادی نیز برای تعیین سطح کیفیت ترجمه گرفته شد. یافته های حا...
VoIP-PSTN Interoperability by Asterisk and SS7 Signalling
PSTN, the world's circuit-switched network, has employed Signalling System #7 as its protocol suite for international and national interconnection during past decades. VoIP networks however have developed different signalling protocols suitable for IP environment. Gateways interconnecting VoIP and PSTN networks are usually proprietary and expensive solutions. Today an open source software can p...
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the aim of the present study was to investigate the frequency and the type of discourse markers used in the argumentative and expository writings of iranian efl learners and the differences between these text features in the two essay genres. the study also aimed at examining the influence of the use of discourse markers on the participants’ writing quality. to this end the discourse markers us...
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ژورنال
عنوان ژورنال: Transmisi
سال: 2017
ISSN: 2407-6422,1411-0814
DOI: 10.14710/transmisi.19.3.108-113