PT. Divatel Pratama Safe Way To Save Menghemat Dengan Aman DivaTEL AGENDA BACKEND - Divatel Long Distance Call Providers FRONT-END - System To Be Provided At Customer BILLING AND CALL DETAILS INFO TARIFF THINGS THAT CUSTOMER CAN EXPECT FROM DIVATEL DIVATEL MAJOR CUSTOMERS PERSONELL DIVATEL BACK-END Divatel Provide All Legal Operators Access To Customer With The Objectives : A. To Provide Higher Successful Call Ratio (To Provide Backup When Main System Fail) B. To Provide Optimization Between Price And Quality Divatel Positions Itself To Be A Mediator Between Long Distance Operators And User By Providing Valuable System DIVATEL OPERATORS INDOSAT SATELINDO TELKOM GAHARU ATLASAT GLOBALFON : : : : : : 17011 & 17001 17008 17017 17019 17000 & 17018 008800637657 DIVATEL FRONT-END Divatel Provides System At Customer Premise With Objectives As Follows : A. In Order To Reduce The Cost User Will No Need To Have A Special Training Or Changing The Existing Way To Make A Call B. Provide A Pre-selected Least Cost Routing System In Order To Optimize Price And Quality Of Each Operator C. Automatically By Pass Local HP Call To TELKOM PSTN And Only Route To VoIP Operator SLJJ HP Due To Higher Tariff (Rp.534/min Compare To Rp.2,200/min) D. User Will Able To Access Second Or Third Operator By Very Simple And Convenience Way (Prefix 011 Or 012) E. Able To Provide A Password To Responsible Personnel In Order To Use Normal PSTN In Emergency Case DIVATEL FRONT-END Divatel Provides Customer With Free Of Charges Two Options Depend On Customer Requirement And Condition As Follows : 1st OPTION: USING SPEED-DIAL SETTING AT CUSTOMER PABX 2nd OPTION: USING AUTO ROUTER PABX SPEED DIAL STRENGTH : - Very Simple And Cheap To Set Access To The Operator - No Need System Development WEAKNESS : - Limited Option To Set Routing Even For Large PABX System - Slow DTMF Burst Time When Dial The System (t>80ms) - No Way To Detect Operator IVR Using Voice Frequency (Only Respond By Setting The Delay Time Dial) - No Way To Differentiate Between Local HP And SLJJ HP DIVATEL AUTO-ROUTER STRENGTH : Flexible To Set The DTMF Burst Time ( 0 up to 500 ms) Able To Detect And Respond The Gateway Operator IVR Voice Frequency Able To Provide Simulated Reverse Polarity To Trigger Billing System Can Be Equipped With Real Time Controller In Order To Schedule The Appropriate Time Using The Operator (Due To Flat Rate And Telkom Time Band) Flexible Memory Capacity To Load Normal Prefixes Able To Be Programmed To Differentiate Local HP And SLJJ HP Able To Block The Line To Protect User Dial The Operator Access Number Manually Very Flexible To Pre-setting The Least Cost Routing By Selected The Appropriate Operator Based On Its Tariff And Quality WEAKNESS : - Need Extra Cost For Electronic Material And Assembly - Need Extra Cost For System Development AUTO-ROUTER INSTALLATION 17011 PABX MDF SLI : 002-65-xxxxxx SLJJ : 011-031-xxxxxx 17001 Autorouter 12081 Destination USER MANUAL PETUNJUK PEMAKAIAN TELEPON NOMOR YG DITUJU, SLJJ 031-xxxxxx H/P 081-xxxxxxx SLI 001-65-xxxxxxxx SAMBUNGAN JARAK JAUH ITEM JALUR SLJJ H/P SLI REMARKS 1 NORMAL 031-xxxxxx 081-xxxxxxx 001-65-xxxxxxxx Jalur Utama 2 ALTERNATIF #1 011-031-xxxxxx 011-081-xxxxxxx 007-65-xxxxxxxx Jalur Backup 1 3 ALTERNATIF #2 012-031-xxxxxx 012-081-xxxxxxx 008-65-xxxxxxxx Jalur Backup 2 CATATAN : 1. BILA MENDAPAT MASALAH DENGAN CARA NORMAL, LANGSUNG GUNAKAN ALTERNATIF #1 2. BILA MASIH MENDAPAT MASALAH DENGAN ALTERNATIF #1, LANGSUNG GUNAKAN ALTERNATIF #2 CUSTOMER EXPECT FROM DIVATEL Higher System Availability Higher Reliability Higher Quality Higher Saving Per Month In Nominal Amount Higher System Effectiveness BILLING INFO Divatel Provides Billing With Call Details Record And Saving Calculation Phone Number Date & Time Destination City And Called Number Destination Area Zone And Time Band Used Services (Regular 2, Regular 1 Or Premium) Duration (In Second And Minutes) Normal Rate & Charges Divatel Rate & Charges Saving Per-Call Accumulated Saving (Total Saving) Summary By Phone Number BILLING INFO Divatel Developed Very Flexible Billing Database Information System To Accommodate User Requirement And Business Type Report Can Be Customized Able To Generate Summary By Phone Number Able To Differentiate Rate Depend On Negotiation One Report For All Operator Very Flexible To Adjust Time Unit Detail Info For Destination City Differentiate Zone Either For Fixed Line And Handphone Able To Relate The User Of Direct Line BILLING INFO SAMPLE DIVATEL RATE AND SAVING DIVATEL RATE AND SAVING CALCULATION SLJJ Item Zone Time Telkom (Rate/Min) DivaTEL (Rate/Min) Saving 1 Zona 1 30km < D < 200km 08.00-18.00 Rp 1,627.00 Rp 1,500 7.8% 2 Zona 2 200km < D < 500km 08.00-18.00 Rp 2,271.00 Rp 1,600 29.6% 3 Zona 3 D > 500 km 08.00-18.00 Rp 2,842.00 Rp 1,700 40.2% Time Telkom (Rate/Min) 08.00-18.00 Rp 2,027.00 Rp 2,000 1.3% 08.00-18.00 Rp 2,671.00 Rp 2,200 17.6% 08.00-18.00 Rp 3,242.00 Rp 2,400 26.0% Remarks HANDPHONE Item 1 Zone Zona 1 DivaTEL (Rate/Min) Saving 30km < D < 200km 2 Zona 2 200km < D < 500km 3 Zona 3 D > 500 km Remarks MAJOR CUSTOMER PT. ASTRA AGRO LESTARI, Tbk. 4/2003 PT. TRAKTOR NUSANTARA 12/2002 PT. GLAXO WELLCOME INDONESIA 4/2002 PT. PERTAMINA TONGKANG 5/2003 PT. SAS INTERNATIONAL 2/2003 PT. ROCHE INDONESIA PT. MUSTIKA RATU PT. LATIVI BADAN PENGAWASAN KEUANGAN DAN PEMBANGUNAN DIVATEL PERSONNEL AUTO-ROUTER DEVELOPMENT : - Arief Achmadi (Electronic Engineer – UI) - Khairul Yani (Telecomm. Engineer - UI) PABX SYSTEM ADAPTATION : - Turep Dihardjo (Telecomm. Engineer – U.M.) - Hendrik Siahaya (Telecomm. Engineer - ) - Sukamto (Siemen Dian Graha) SYSTEM IMPLEMENTOR : - Ismed Sitepu (Electrical Engineer – UI) SOFTWARE DEVELOPMENT : - Agus Pujiono (Software Engineer – STMIK) Advantages Of Divatel Multi Access/ Multi Provider Memberikan Kombinasi Terbaik Dari Masing- Masing Akses Dapat membedakan HP SLJJ Dan HP Lokal Pindah Akses Dengan Cara Yang Mudah Mendial Dengan Cara Biasa Legal (Mitra INDOSAT) Dapat Memilih Soft Exit DenganPassword Atau Exit Dengan Connector Sambung Besar Penghematan Langsung Terukur Dengan Kalkulasi Billing Yang Teperinci Menghemat Biaya Total Panggilan Telpon SLJJ, HP SLJJ Dan SLI Secara Signifikan Pre-setting Auto-router Tergantung Dari Kebijaksanaan Perusahaan Dan Bukan Atas Anjuran Perlu Diperhatikan Tingkat Berhasilnya Panggilan (Successful Call Ratio or Answer To Seizure Ratio) Kejernihan Suara (Message Guaranteed) Saving Per-bulan Dan Bukan Saving Perpanggilan (Reducing Annual Budget For Telephone Cost) Kalkulasi Penghematan Untuk Jumlah Panggilan SLJJ+SLI Dalam Sebulan Sebesar Rp. 15,000,000. Provider Lain : Saving Per Call 50%, Efektifitas 30% Total Saving : 50% x 30% x 15,000,000 = Rp. 2,500,000.Divatel : Saving 40%, Efektifitas 100% : Total Saving : 40% x 100% x 15,000,000 = Rp. 6,000,000.- INDOKOMAS CASE TAGIHAN SLJJ TELKOM KEPADA PT. INDOKOMAS BULAN JANUARI 2003 UNTUK PEMAKAIAN DESEMBER 2003 ITEM 1 2 3 4 5 TELPON 0214600177 0214600986 0214604236 0214604237 0214604238 SLJJ 227,668 211,182 204,437 456,455 222,441 HP 303,705 347,847 436,812 251,499 296,402 AIR TIME MENIT A/T 200,880 502 240,290 601 231,708 579 209,708 524 215,802 540 6 7 8 9 10 0214610202 0214610203 0214610204 0214610205 0214610206 248,261 297,226 153,400 309,707 160,677 283,832 240,442 363,928 336,567 475,458 200,520 213,347 212,661 196,184 267,403 11 12 13 14 15 02146821085 02146821086 02146821087 02146821088 02146821089 TOTAL 215,301 258,743 115,858 256,677 163,161 3,501,194 372,646 427,591 399,169 376,047 330,355 5,242,300 198,997 235,445 200,690 209,872 225,675 3,259,182 501 533 532 490 669 HP LOKAL 67,294.80 80,497.15 77,622.18 70,252.18 72,293.67 216,657.80 168,970.76 292,686.57 270,845.36 385,878.00 464,918.80 466,196.76 446,086.57 580,552.36 546,555.00 497 66,664.00 305,982.01 589 78,874.08 348,716.93 502 67,231.15 331,937.85 525 70,307.12 305,739.88 564 75,601.13 254,753.88 2,677 1,091,825.97 4,150,474.03 521,283.01 607,459.93 447,795.85 562,416.88 417,914.88 7,651,668.03 CATATAN : 1. Menit Air-time = Amount Air-Time/400 2. Estimasi Maksimum Amount Lokal HP = Menit Air-time x Rp. 400 /menit 67,174.20 71,471.25 71,241.44 65,721.64 89,580.01 SLJJ HP TOTAL SLJJ 236,410.20 464,078.20 267,349.85 478,531.85 359,189.82 563,626.82 181,246.82 637,701.82 224,108.33 446,549.33 REMARKS INDOKOMAS CASE Saving Yang Dapat Diharapkan Adalah : 100% x Rp 7,651,668 x 30% = Rp. 2,295,500 Indikasi Kegagalan Implementasi Masih Besarnya Jumlah Call SLJJ, HP SLJJ dan SLI Yang Masuk Ke Sistem TELKOM, Sehingga Sistem Tidak Berguna Dan Menambah Masalah Serta Penghematan Yang Diharapkan Tidak Signifikan Manajemen Tidak Dapat Melakukan Pre-setting Terhadap Apa Yang Dilakukan User Besar Penghematan Tidak Dapat Di Perkirakan Tindakan User Adalah Berdasarkan Anjuran Dari Manajemen Sehingga Penghematan Tidak Dapat Diprediksi Penyebab Kegagalan Implementasi User Masih Dapat Menekan Kode Akses Sehingga Manajemen Tidak Dapat Menetapkan LCR Menetapkan Tarif Billing Internal Yang Terlalu Optimis Padahal Sistem Belum Tentu Sukses Tidak Dapat Membedakan Panggilan Lokal HP Dan SLJJ HP Tidak Adanya Jalur Alternatif Ketika Sistem Utama Gagal Sehingga Harus Kembali Ke Sistem Awal Telkom Teknisi Tidak Mengenal Sistem Telekomunikasi Dengan Baik Baik Untuk Seting Sistem Maupun Tarif Telkom Serta Provider Yang Sesuai Dengan Kebutuhan Bisnis Dari User TELKOM RATE – SLJJ FIX LINE TELKOM RATE SLJJ - FIX LINE Zone Zona 1 30km < D < 200km Zona 2 200km < D < 500km Zona 3 D > 500 km Time Band 06.00-07.00 07.00-08.00 08.00-18.00 18.00-20.00 20.00-23.00 23.00-06.00 06.00-07.00 07.00-08.00 08.00-18.00 18.00-20.00 20.00-23.00 23.00-06.00 06.00-07.00 07.00-08.00 08.00-18.00 18.00-20.00 20.00-23.00 23.00-06.00 Rate/Min Rp Rp Rp Rp Rp Rp Rp Rp Rp Rp Rp Rp Rp Rp Rp Rp Rp Rp 649.00 1,299.00 1,627.00 1,299.00 649.00 327.00 915.00 1,819.00 2,271.00 1,819.00 915.00 463.00 1,135.00 2,271.00 2,842.00 2,271.00 1,135.00 570.00 Remarks TELKOM RATE - HP TELKOM RATE SLJJ - HP ITEM ZONA 1 Zona 1 30km < D < 200km 2 Zona 2 200km < D < 500km 3 Zona 3 D > 500 km TIME BAND 06.00-07.00 07.00-08.00 08.00-18.00 18.00-20.00 20.00-23.00 23.00-06.00 06.00-07.00 07.00-08.00 08.00-18.00 18.00-20.00 20.00-23.00 23.00-06.00 06.00-07.00 07.00-08.00 08.00-18.00 18.00-20.00 20.00-23.00 23.00-06.00 RATE (Rp.) 649 1,299 1,627 1,299 649 327 915 1,819 2,271 1,819 915 463 1,135 2,271 2,842 2,271 1,135 570 AIR TIME (Rp.) 400 400 400 400 400 400 400 400 400 400 400 400 400 400 400 400 400 400 TOTAL (Rp.) 1,049 1,699 2,027 1,699 1,049 727 1,315 2,219 2,671 2,219 1,315 863 1,535 2,671 3,242 2,671 1,535 970 REMARKS DIVATEL RATE - SLI DIVATEL RATE AND SAVING CALCULATION INTERNATIONAL - SLI PART OF COUNTRIES SERVED Item Country 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Australia Australia - Mobile Austria Austria - Mobile Belgium Belgium - Mobile Canada China China - Mobile Finland Finland - Mobile France France - Mobile Germany Germany - Mobile Hongkong Hongkong - Mobile India India - Mobile Italy Italy - Mobile Japan Japan - Mobile Malaysia Malaysia - Mobile Netherlands Netherlands - Mobile New Zealand New Zealand - Mobile Philliphines Philliphines - Mobile Saudi Arabia Singapore Singapore - Mobile South Korea South Korea - Mobile Spain Spain - Mobile Sweden Sweden - Mobile Switzerland Switzerland - Mobile Taiwan Taiwan - Mobile Thailand Thailand - Mobile United Arab Emirates United Kingdom United Kingdom - Mobile USA Code 61 61 43 43 32 32 1 86 86 358 358 33 33 49 49 852 852 91 91 39 39 81 81 60 60 31 31 64 64 63 63 966 65 65 82 82 34 34 46 46 41 41 886 886 66 66 971 44 44 1 Indosat (Rate/Min) Rp 9,960 Rp 9,960 Rp 12,840 Rp 12,840 Rp 12,840 Rp 12,840 Rp 9,960 Rp 12,840 Rp 12,840 Rp 8,580 Rp 8,580 Rp 12,840 Rp 12,840 Rp 12,840 Rp 12,840 Rp 9,960 Rp 9,960 Rp 11,280 Rp 11,280 Rp 12,840 Rp 12,840 Rp 11,280 Rp 11,280 Rp 6,780 Rp 6,780 Rp 12,840 Rp 12,840 Rp 9,960 Rp 9,960 Rp 7,500 Rp 7,500 Rp 11,280 Rp 6,780 Rp 6,780 Rp 6,780 Rp 6,780 Rp 12,840 Rp 12,840 Rp 12,840 Rp 12,840 Rp 12,840 Rp 12,840 Rp 9,960 Rp 9,960 Rp 7,500 Rp 7,500 Rp 9,960 Rp 9,960 Rp 9,960 Rp 9,960 DivaTEL Regular Rp 2,500 Rp 5,500 Rp 2,900 Rp 7,300 Rp 3,200 Rp 7,000 Rp 2,500 Rp 3,700 Rp 4,000 Rp 2,900 Rp 5,800 Rp 3,200 Rp 5,300 Rp 3,200 Rp 4,700 Rp 2,300 Rp 2,900 Rp 9,700 Rp 9,700 Rp 3,200 Rp 8,500 Rp 3,200 Rp 5,100 Rp 2,700 Rp 4,300 Rp 2,700 Rp 5,500 Rp 2,500 Rp 5,100 Rp 3,600 Rp 3,600 Rp 10,400 Rp 2,500 Rp 3,700 Rp 2,900 Rp 4,400 Rp 3,200 Rp 3,200 Rp 2,700 Rp 6,800 Rp 2,900 Rp 4,800 Rp 2,700 Rp 4,900 Rp 4,000 Rp 4,000 Rp 7,600 Rp 2,500 Rp 5,100 Rp 2,500 (Rate/Min) Premium Rp 5,300 Rp 5,300 Rp 6,800 Rp 6,800 Rp 6,800 Rp 6,800 Rp 5,300 Rp 6,800 Rp 6,800 Rp 4,600 Rp 4,600 Rp 6,800 Rp 6,800 Rp 6,800 Rp 6,800 Rp 5,300 Rp 5,300 Rp 9,000 Rp 9,000 Rp 6,800 Rp 6,800 Rp 6,000 Rp 6,000 Rp 3,600 Rp 3,600 Rp 6,800 Rp 6,800 Rp 5,300 Rp 5,300 Rp 6,000 Rp 6,000 Rp 7,800 Rp 3,600 Rp 3,600 Rp 5,300 Rp 5,300 Rp 6,800 Rp 6,800 Rp 6,800 Rp 6,800 Rp 6,800 Rp 6,800 Rp 5,300 Rp 5,300 Rp 5,300 Rp 5,600 Rp 7,800 Rp 6,000 Rp 6,000 Rp 5,300 Saving Regular Premium 75% 47% 45% 47% 77% 47% 43% 47% 75% 47% 45% 47% 75% 47% 71% 47% 69% 47% 66% 46% 32% 46% 75% 47% 59% 47% 75% 47% 63% 47% 77% 47% 71% 47% 14% 20% 14% 20% 75% 47% 34% 47% 72% 47% 55% 47% 60% 47% 37% 47% 79% 47% 57% 47% 75% 47% 49% 47% 52% 20% 52% 20% 8% 31% 63% 47% 45% 47% 57% 22% 35% 22% 75% 47% 75% 47% 79% 47% 47% 47% 77% 47% 63% 47% 73% 47% 51% 47% 47% 29% 47% 25% 24% 22% 75% 40% 49% 40% 75% 47% SAVING COMPARISON-SLJJ FIX LINE DIVATEL ITEM 1 2 3 ZONA Zona 1 Zona 2 Zona 3 TIME BAND 08.00-18.00 08.00-18.00 08.00-18.00 Normal Divatel Saving Rate Rate Per Call 1,627.00 1,500 7.8% 2,271.00 1,600 29.6% 2,842.00 1,700 40.2% Traffic Overall Volume Saving 25.0% 2.0% 15.0% 4.4% 60.0% 24.1% Total 30.5% LAIN ITEM 1 2 3 ZONA Zona 1 Zona 2 Zona 3 TIME BAND 08.00-18.00 08.00-18.00 08.00-18.00 Normal Others Saving Rate Rate Per Call 1,627.00 1,375 15.5% 2,271.00 1,375 39.5% 2,842.00 1,375 51.6% Traffic Overall Volume Saving 25.0% 3.9% 15.0% 5.9% 60.0% 31.0% Total 40.8% 1. Jumlah Trafic SLJJ Rp. 10,000,000 2. Dengan Effektifitas 30% Provider Lain Membuat Penghematan : 30% x Rp. 10,000,000 x 40.8% = Rp. 1,224,000 3. Dengan Efektifitas 100% DIVATEL Membuat Penghematan : 100% x Rp. 10,000,000 x 30.5% = Rp. 3,050,000 SAVING COMPARISON-SLJJ HP DIVATEL ITEM 1 2 3 ZONA Zona 1 Zona 2 Zona 3 TIME BAND 08.00-18.00 08.00-18.00 08.00-18.00 Normal Divatel Saving Rate Rate Per Call 2,027.00 2,000 1.3% 2,671.00 2,200 17.6% 3,242.00 2,400 26.0% Traffic Overall Volume Saving 25.0% 0.3% 15.0% 2.6% 60.0% 15.6% Total 18.6% LAIN ITEM 1 2 3 ZONA Zona 1 Zona 2 Zona 3 TIME BAND 08.00-18.00 08.00-18.00 08.00-18.00 Normal Others Saving Rate Rate Per Call 2,027.00 2,220 -9.5% 2,671.00 2,300 13.9% 3,242.00 2,300 29.1% Traffic Overall Volume Saving 25.0% -2.4% 15.0% 2.1% 60.0% 17.4% Total 17.1% 1. Jumlah Trafic SLJJ Rp. 10,000,000 2. Dengan Effektifitas 30% Provider Lain Membuat Penghematan : 30% x Rp. 10,000,000 x 19.8% = Rp. 594,000 3. Dengan Efektifitas 100% DIVATEL Membuat Penghematan : 100% x Rp. 10,000,000 x 18.6% = Rp. 1,860,000 INDOKOMAS - FACTS Telah Menggunakan Sistem Penghematan Dengan VoIP Masih Besarnya Panggilan SLJJ Dan HP SLJJ Melalui Tagihan TELKOM Pencatatan Billing Yang Bermasalah Karena User Diperkenankan Menekan Kode Akses Pengaturan Panggilan HP Melalui Kode Akses Hanya Sebatas Anjuran Dan Bukan Pre-setting Adanya Tagihan Yang Besar Dari Provider Lain Yang Tidak Dapat Di Estimasi Besar Penghematannya Tidak Diketahui Dengan Jelas Tujuan Panggilan Telpon Karena Yang Tercantum Dalam Billing Record Hanya Nomor Tujuan Sehingga Mempersulit Kontrol Manajemen INDOKOMAS - QUESTIONS Berapa Besar Total Reduksi Yang Dicapai Oleh Sistem ??? Berapa Jauh Effektifitas Dari Sistem ??? Apakah Ada Penghematan Atau Malah Pemborosan ??? PRIORITY Komunikasi Tidak Bermasalah Menghemat IMPLEMENTASI Registration Wiring Intallation Of Auto-router LCR Module Kelemahan Dengan Menekan Akses Destinasi Tidak Dapat Dibatasi Dengan Setting Kontrol Pada PABX, Contoh : User Yang Tidak Dapat Melakukan SLI, SLJJ Ataupun HP Akan Dengan Bebas Melakukannya Tanpa Dapat Dibatasi Sehingga Yang Terjadi Adalah Peningkatan Penggunaan Yang Tidak Sesuai Dengan Kebijaksanaan Manajemen Setelah Menekan Kode Akses User Dengan Bebas Melakukan Panggilan HP Lokal Yang Tarifnya Jauh Lebih Mahal Daripada Langsung Menggunakan TELKOM Walaupun User Dianjurkan Untuk Tidak Melakukan Hal Tersebut Akan Tetapi User Tidak Dapat Membedakan Dengan Jelas Lokal HP Dan SLJJ HP Berdasarkan Prefix Pencatatan Billing Internal Menjadi Tidak Akurat Karena Yang Tercatat Pada Billing System Adalah Nomor Kode Akses Sedangkan Nomor Tujuan Akhir Tidak Pernah Diketahui/ Tercatat. Akibatnya Penggunaan Telpon Dan Biaya Berada Diluar Kontrol Manajemen Perusahaan KEUNTUNGAN DENGAN AUTOROUTER Setiap Panggilan Telpon Dari User Akan Diarahkan Sesuai Dengan Kebijaksanaan Yang Diatur Terlebih Dahulu (Manageable) User Melakukan Telpon Seperti Biasa (Tidak Memerlukan Training Secara Khusus) Billing Internal Akan Mencatat Setiap Panggilan Dengan Sempurna Serta Tidak Memerlukan Banyak Modifikasi (Kecuali Untuk Mengenal Jalur Alternatif/ Backup) Dapat Memiliki Jalur Alternatif Untuk Menghindari Gangguan Pada Jalur Utama (Dengan Menambah Prefix Tertentu Seperti 011 atau 012) Dapat Memblok Nomor Akses Agar Panggilan Dari User Dapat Diatur