CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'managed',cRay: '919a76f32903fcfb',cH: 'TVkXgPT6pHrgMZB101TCxbTu.KNvMdsDPjd96MuVdEE-1740851090-1.2.1.1-ojjkPkYC1c3WulvM0nuwbX609LFy7mrFCP1ACdwyLHkNyCZGLTPuKbsDM4w.SPLU',cUPMDTk: "\/abstracts\/search?q=subscriber%20information%20modules&__cf_chl_tk=J913UEofZ6iSKmpkqUnn8VuI5_I2AfdBOaVzWVdC9kA-1740851090-1.0.1.1-atmJPcx9M4SOeYTjjnnQ04B6DMv0xnrQ2W_H08WyqB0",cFPWv: 'b',cITimeS: '1740851090',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=subscriber%20information%20modules&__cf_chl_f_tk=J913UEofZ6iSKmpkqUnn8VuI5_I2AfdBOaVzWVdC9kA-1740851090-1.0.1.1-atmJPcx9M4SOeYTjjnnQ04B6DMv0xnrQ2W_H08WyqB0",md: "3HGPYMjVUVESDuilArFCb3HMNXd39riACpdIapIp5LE-1740851090-1.2.1.1-04ESIafxxk_sJd_r2_UoCSTSBBtAPO38.Dvc3ZrZNo2LQ.4yI7._bUwKtdEfAm8Ml3KWTr29aHuCV40D2MiSd7DmwkGjPdJLw3189jYeSpp5Q35WJX.ADkA7cgigjTy6cIWV.fUqjJSPqPU.XwOijBjPJEsnpTILevIDemaIr.QKsKELTQEk5KGYA9mbb4paloW6JQF9rugMfzpRxexpvBajwv5rU4Q5PDVnJi3hTaT7SxTsPwOXQGC2ghC1.wjLn8t4sdvgIoC0oa8EjKTPSaFBe3x3UJiAizUQMF_.ehmBDruJaGoGFu.PslfWl5xukZ9hm_S7q9RkHh1SN9D5kkqinLy9WJv9TNe9ap9gLNYm2fMo7TxO8JqOjDhqKS9VCi028VTk9qlwAHUjbE7Hd6i4zkei8.uiZwBBAv_3kne7DBxkm5zw2o.HQ_HGU8IN0OK9ovdo2UTRVTO1z2K.g8eybaG73BiH61kHDd.AQhkQOGYWC98SV7Ar0JSH1c0AfJLI41Dig3wO7bpDjwYah0Ktlnz5aHEI15qG4gPGUJuVby64uZdPMXnuWPJoV6Mng6c9e.Xty_ucA49Tm51LbbmBGd89Lvmk.fSRG2OegxkcqFWhow62oDYAEG_5cCjoApfnotsjZzEFyOcGyyBeAThpqk33f6_Sz_vh2CcRMbTJZ7SXcKvvX4QMS6cCNoHmLabORfhfAGCTBIRXZ_.ckRGMZZAV0tSNTarYRCUQbUvI6pNYm4FSMBWX6sOstZGYctFgXKGzBHe6JmryeZ5W7ZGFg_DmGvSDXXwfcMF0OgpFT9Unm_ffks_0jJBgAM00ewYqwaAtciYg1HJGNssmWF6lHC1ubfe_zeSkqdfNdv8AWN7dT61GcGGK6M8EMBAUcm0bX5LZqx6eanZ1CDtxJCqtSQm0m2hyhpcL25YeH7u65GEHXyympWQxexaBMnwy01QEF9DHkOvWsWUGR2VsZKPBV3d89Ct9FbH4tE2pnosNfWNyaTTHMZb1iX3eKwsTo2yZ3mVRzWh3jzo54zFfirPlh5D8Ht7093_KPTvKFNVnAfPXh7LjO3xB4cQUcI8RVsOQ8ZaFFkxXVuR.0x7TbUKYUhKEm5AF47PIX_fms7mqMs49lQlbmL023.rYve5g.a_adM9AW.ovuVq0WtAv_L6CwJQyO9ZLgQ6a0kryZCq944LYwCHd4VUQETLF3PnRWugvEIzC6M5OzZZnBVHAp4nvUxG36l.kpw0g5Z_iYyh7Sx0a886nF.sTZ5gNXyU.YEVJtiThWMkRIVK9wU_9bI0XjbHFsPAfDWv3F6Z2b1j3xnep.9B.0X5gcO9j2msE",mdrd: "5EaD2LBFHrT_.LFG5iZfz87FxPKmFjuCIJ6wGimM1EY-1740851090-1.2.1.1-N_gRQYcukIKVN7YkGI1Tmcoyg7InjIWvJ4Sb15kn4t9Q_LRR2c6MWEnZVFM6NN2Eo8hVLVLBAFL2KhFOpIve6HphdCMNF2T4XHiGgSSiDee9JWX8M1TZEq8Aj4utVNc_AuawQxLKNaKQWVYKA.IEbHBvAryPfhKw2InuhUg_vgt29mIKafFQ1napaGsrfjj0fkZV4Y6qSnEeKy0JQL149g3H37r1w2aAZSH46yPl5hvkhrOuv2xEwmmN2TUktnNX6TmqSZ3MJnc3j5xlYqBFQZaBPayQa.0qLfjNPMTW_UjPuuZJhuFGeCd_rwwebp2aDgFGFysaIxar7aCcn9tkGz9lOpxdhpTjaMGLu9rfnQRtDj_ep9kf79x_vNU_75BR5mV6nnGvyi3MluRYUOUUZlTnLUaMAmdmss9dLb0YWQofUnn7VfomyWBQszDMrRAppiPRau0QsoTKxpFzTeu3iyqcJyOKVyke2c0cEcAAeRqjvY65ykoMlQOsnwifFJ_p1A5pWth6g24_xoxSVzY4fcIGutYViAZV5kE07GGmOSTFkJd7xH9qktU27zQJ6RdlML2GkmJOMWZ1NH1Rq76RIN4jU9J9JHz0PtToyuNOeMJDQOwcpugIcFzTLMI5YTG7z5iSKpcqgE652gHq5_56qbs._9Z13g2exhwx4fRwChtx.Dyxxd7c8eJ2g7vKi8vJEDEiRbeyjZBNvABk4QwEts373lZr8qroVuPe_s4sGCQwRmhwvhGdDl1UY5_Bk0oo5kxenJcaGdMTPgD5_8vEqyPlqcGQupybb8v32xD9QlVrPcpZq8D2SfTpkTAcCl6DPLxJm4t9NYBer1zYbg9xoSQoY_21ooI1ePSHKPeShFB3Trxa8f2PvmtIwBdBEhBnRYJCcJdC7UGaQC61uG1N.Fi.Yu8oGRX7p4tiM7cKv6Vpx6FznOClGyMqJNkvO5R1jkH5qvfQEBSaDbQgxrMGdk7Fda4vZB6rXcqHtCYAIHUAXW8QQlH060PqK.KVYkC0acXfqYgOOB5D7Gr1DngYeJp3hcYXU9bm.HonbYQiJkODkSa.48MOp1m6ypiXFeiAtBRy5yV8GAPc9i3sLXKc2e5M_dRinDAVAPs7.Yv3aDkL2GVpSFdhPCv.rqDR_5MBEc00dN1DmJoEf6UPhg4RT9x9Hgt7EdH_Fl9klo4OJDAOwKtlhwhsO15XWDeuEYHXUiwMm5HB58gfertzLbZE5xLYP88Ba0Vxym4qFQXt.QY1_b_nDwWT49eyWDM0jTRWmXrwwV8QHQU4mso9quojp3ZRg3JGdVHwMpUNDkPyEjYPiFbM93rJVhkxmJKPUHUFsaX2yB471zq3TFDBDBDKJZuVrCA6Ib__dpEXHB0Vv99fc90wkn4mnSXOv_lNcxraYbrEL2RkWB9q.wnGtkwIe.rcCwAiZiy7T1CVLiU4hPW4kiFw8.bhGrdPNikxmYW7ACNRGr3TmF059wth5kbpHwIElkrYHIyk6yY4sICox0GECq7Vw6LYknNK_y19GcRJrb.coE7RSrnqhz9WiE5gvgnMQdYc0tGW6hxsdDnZe8LJOSDnFXNcC4rCawy4LjyrdJiFDDo2iFzh0PqAoLF8e4.g8NCHUQkq4_NOl.FgqXvfi1mllVqrsFmO3YBX8dvywCK0Bm_P13Qz7N91R81ZQRw_JHCA4Gfhey9z2MhC2.VAmelaDWW8RJ8AzTGM74Ad_mkEVYR6_KG2FtfuvFyfJuTjb6RLO_3c0heovfkjpG.CP81j80j8y_IRsG4vRwHqdjyNWi2_0GpE7z6b4oFi37B7rrBDf7yjVb.JoqjANMWiYUHTHlUVbSX_wV6J0mv2t6.GCKO8CugNGC9KxQCNBj6wZldfKFpiwSk72OCAc4dk_bU_db3f24Etn7aSeGppIvMkF014Byq4pNnkJshmGejrE5oNlCmuNvQ0SFVqlao"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=919a76f32903fcfb';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/abstracts\/search?q=subscriber%20information%20modules&__cf_chl_rt_tk=J913UEofZ6iSKmpkqUnn8VuI5_I2AfdBOaVzWVdC9kA-1740851090-1.0.1.1-atmJPcx9M4SOeYTjjnnQ04B6DMv0xnrQ2W_H08WyqB0" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>